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12211213133291 = 1491877426110247
BaseRepresentation
bin1011000110110010010100…
…0001010110010111101011
31121020101021102211222102212
42301230211001112113223
53100032031030231131
641545430500315335
72400142150016144
oct261544501262753
947211242758385
1012211213133291
113988823517007
1214527466a2b4b
136a7687b3b473
14303050db0acb
151629959d4a2b
hexb1b250565eb

12211213133291 has 16 divisors (see below), whose sum is σ = 12303804139200. Its totient is φ = 12118768798080.

The previous prime is 12211213133261. The next prime is 12211213133303. The reversal of 12211213133291 is 19233131211221.

It is a happy number.

12211213133291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12211213133291 - 26 = 12211213133227 is a prime.

It is a super-2 number, since 2×122112131332912 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211213133221) 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, 1191681530 + ... + 1191691776.

It is an arithmetic number, because the mean of its divisors is an integer number (768987758700).

Almost surely, 212211213133291 is an apocalyptic number.

12211213133291 is a deficient number, since it is larger than the sum of its proper divisors (92591005909).

12211213133291 is a wasteful number, since it uses less digits than its factorization.

12211213133291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16534.

The product of its digits is 3888, while the sum is 32.

The spelling of 12211213133291 in words is "twelve trillion, two hundred eleven billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred ninety-one".

Divisors: 1 149 1877 4261 10247 279673 634889 1526803 7997897 19233619 43662467 1191686653 2865809231 6505707583 81954450559 12211213133291