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12212031202 = 2712717938371
BaseRepresentation
bin10110101111110010…
…01100111011100010
31011112002002110110221
423113321030323202
5200002234444302
65335442113254
7611424360340
oct132771147342
934462073427
1012212031202
1151a7411878
12244994b82a
1311c8072087
1483bc52990
154b71a4937
hex2d7e4cee2

12212031202 has 32 divisors (see below), whose sum is σ = 21218181120. Its totient is φ = 5163374160.

The previous prime is 12212031191. The next prime is 12212031239. The reversal of 12212031202 is 20213021221.

It is a happy number.

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, 299077 + ... + 337447.

It is an arithmetic number, because the mean of its divisors is an integer number (663068160).

Almost surely, 212212031202 is an apocalyptic number.

12212031202 is a deficient number, since it is larger than the sum of its proper divisors (9006149918).

12212031202 is a wasteful number, since it uses less digits than its factorization.

12212031202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38686.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12212031202 its reverse (20213021221), we get a palindrome (32425052423).

The spelling of 12212031202 in words is "twelve billion, two hundred twelve million, thirty-one thousand, two hundred two".

Divisors: 1 2 7 14 127 179 254 358 889 1253 1778 2506 22733 38371 45466 76742 159131 268597 318262 537194 4873117 6868409 9746234 13736818 34111819 48078863 68223638 96157726 872287943 1744575886 6106015601 12212031202