12406254120631 has 64 divisors (see below), whose sum is σ = 14632360888320. Its totient is φ = 10299840145920.

The previous prime is 12406254120619. The next prime is 12406254120643. The reversal of 12406254120631 is 13602145260421.

It is an interprime number because it is at equal distance from previous prime (12406254120619) and next prime (12406254120643).

It is a cyclic number.

It is not a de Polignac number, because 12406254120631 - 2²⁹ = 12405717249719 is a prime.

It is a super-2 number, since 2×12406254120631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406254120661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12151080901 + ... + 12151081921.

It is an arithmetic number, because the mean of its divisors is an integer number (228630638880).

Almost surely, 2^{12406254120631} is an apocalyptic number.

12406254120631 is a deficient number, since it is larger than the sum of its proper divisors (2226106767689).

12406254120631 is a wasteful number, since it uses less digits than its factorization.

12406254120631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 12406254120631 in words is "twelve trillion, four hundred six billion, two hundred fifty-four million, one hundred twenty thousand, six hundred thirty-one".