12031910998469 has 2 divisors, whose sum is σ = 12031910998470. Its totient is φ = 12031910998468.

The previous prime is 12031910998439. The next prime is 12031910998553. The reversal of 12031910998469 is 96489901913021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11632124148100 + 399786850369 = 3410590^2 + 632287^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031910998469 - 2²⁸ = 12031642563013 is a prime.

It is a super-2 number, since 2×12031910998469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031910998439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015955499234 + 6015955499235.

It is an arithmetic number, because the mean of its divisors is an integer number (6015955499235).

Almost surely, 2^{12031910998469} is an apocalyptic number.

It is an amenable number.

12031910998469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031910998469 is an equidigital number, since it uses as much as digits as its factorization.

12031910998469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7558272, while the sum is 62.

The spelling of 12031910998469 in words is "twelve trillion, thirty-one billion, nine hundred ten million, nine hundred ninety-eight thousand, four hundred sixty-nine".