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20000200201212 = 22371121645238313
BaseRepresentation
bin1001000110000101010001…
…10101000001001111111100
32121211000000100011210002110
410203002220311001033330
510110140402222414322
6110311544245054020
74132652414504610
oct443025065011774
977730010153073
1020000200201212
116411045678190
1222b020a6b7310
13b2101a90b7aa
144d202ca93340
1524a3b772ec0c
hex1230a8d413fc

20000200201212 has 48 divisors (see below), whose sum is σ = 58182400588032. Its totient is φ = 5194857194880.

The previous prime is 20000200201211. The next prime is 20000200201229. The reversal of 20000200201212 is 21210200200002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000200201211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10822618233 + ... + 10822620080.

It is an arithmetic number, because the mean of its divisors is an integer number (1212133345584).

Almost surely, 220000200201212 is an apocalyptic number.

20000200201212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20000200201212 is an abundant number, since it is smaller than the sum of its proper divisors (38182200386820).

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

20000200201212 is a wasteful number, since it uses less digits than its factorization.

20000200201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21645238338 (or 21645238336 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20000200201212 its reverse (21210200200002), we get a palindrome (41210400401214).

The spelling of 20000200201212 in words is "twenty trillion, two hundred million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 21645238313 43290476626 64935714939 86580953252 129871429878 151516668191 238097621443 259742859756 303033336382 454550004573 476195242886 606066672764 714292864329 909100009146 952390485772 1428585728658 1666683350101 1818200018292 2857171457316 3333366700202 5000050050303 6666733400404 10000100100606 20000200201212