12252451612091 has 2 divisors, whose sum is σ = 12252451612092. Its totient is φ = 12252451612090.

The previous prime is 12252451612067. The next prime is 12252451612189. The reversal of 12252451612091 is 19021615425221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12252451612091 - 2³⁴ = 12235271742907 is a prime.

It is not a weakly prime, because it can be changed into another prime (12252451612591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6126225806045 + 6126225806046.

It is an arithmetic number, because the mean of its divisors is an integer number (6126225806046).

Almost surely, 2^{12252451612091} is an apocalyptic number.

12252451612091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12252451612091 is an equidigital number, since it uses as much as digits as its factorization.

12252451612091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 12252451612091 in words is "twelve trillion, two hundred fifty-two billion, four hundred fifty-one million, six hundred twelve thousand, ninety-one".