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12210202011112 = 237797699358487
BaseRepresentation
bin1011000110101110100011…
…0000001110010111101000
31121020021122222020122120021
42301223220300032113220
53100022443203323422
641545142300410224
72400105121433110
oct261535060162750
947207588218507
1012210202011112
113988354796a46
121452503b46974
136a7556508a11
14302d969aa040
15162936d57dc7
hexb1ae8c0e5e8

12210202011112 has 64 divisors (see below), whose sum is σ = 26499432960000. Its totient is φ = 5166018426816.

The previous prime is 12210202011041. The next prime is 12210202011179. The reversal of 12210202011112 is 21111020201221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33881133 + ... + 34239619.

It is an arithmetic number, because the mean of its divisors is an integer number (414053640000).

Almost surely, 212210202011112 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 12210202011112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13249716480000).

12210202011112 is an abundant number, since it is smaller than the sum of its proper divisors (14289230948888).

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

12210202011112 is a wasteful number, since it uses less digits than its factorization.

12210202011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366278 (or 366274 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12210202011112 its reverse (21111020201221), we get a palindrome (33321222212333).

The spelling of 12210202011112 in words is "twelve trillion, two hundred ten billion, two hundred two million, eleven thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 79 158 316 553 632 1106 2212 4424 7699 15398 30796 53893 61592 107786 215572 358487 431144 608221 716974 1216442 1433948 2432884 2509409 2867896 4257547 4865768 5018818 8515094 10037636 17030188 20075272 28320473 34060376 56640946 113281892 198243311 226563784 396486622 792973244 1585946488 2759991413 5519982826 11039965652 19319939891 22079931304 38639879782 77279759564 154559519128 218039321627 436078643254 872157286508 1526275251389 1744314573016 3052550502778 6105101005556 12210202011112