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7212010021112 = 23132931227339811
BaseRepresentation
bin110100011110010110101…
…0010111010000011111000
3221112110110101012221121102
41220330231102322003320
51421130144031133422
623201052432030532
71343023221466061
oct150745522720370
927473411187542
107212010021112
112330661705126
1298589b692448
13404121baa670
141ad0c53c3568
15c7903223192
hex68f2d4ba0f8

7212010021112 has 128 divisors (see below), whose sum is σ = 15619390617600. Its totient is φ = 3096457459200.

The previous prime is 7212010021109. The next prime is 7212010021121. The reversal of 7212010021112 is 2111200102127.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21053687 + ... + 21393497.

It is an arithmetic number, because the mean of its divisors is an integer number (122026489200).

Almost surely, 27212010021112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7212010021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7809695308800).

7212010021112 is an abundant number, since it is smaller than the sum of its proper divisors (8407380596488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7212010021112 is a wasteful number, since it uses less digits than its factorization.

7212010021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340117 (or 340113 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 7212010021112 its reverse (2111200102127), we get a palindrome (9323210123239).

The spelling of 7212010021112 in words is "seven trillion, two hundred twelve billion, ten million, twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 29 31 52 58 62 104 116 124 227 232 248 377 403 454 754 806 899 908 1508 1612 1798 1816 2951 3016 3224 3596 5902 6583 7037 7192 11687 11804 13166 14074 23374 23608 26332 28148 46748 52664 56296 85579 91481 93496 171158 182962 204073 339811 342316 365924 408146 679622 684632 731848 816292 1359244 1632584 2652949 2718488 4417543 5305898 8835086 9854519 10534141 10611796 17670172 19709038 21068282 21223592 35340344 39418076 42136564 77137097 78836152 84273128 128108747 136943833 154274194 256217494 273887666 305490089 308548388 512434988 547775332 610980178 617096776 1002782261 1024869976 1095550664 1221960356 2005564522 2236975813 2391250007 2443920712 3971371157 4011129044 4473951626 4782500014 7942742314 8022258088 8947903252 9565000028 15885484628 17895806504 19130000056 29080685569 31086250091 31770969256 58161371138 62172500182 69346250203 116322742276 124345000364 138692500406 232645484552 248690000728 277385000812 554770001624 901501252639 1803002505278 3606005010556 7212010021112