12312455131123 has 32 divisors (see below), whose sum is σ = 14199912230400. Its totient is φ = 10457600158464.

The previous prime is 12312455131099. The next prime is 12312455131133. The reversal of 12312455131123 is 32113155421321.

It is a cyclic number.

It is not a de Polignac number, because 12312455131123 - 2⁴¹ = 10113431875571 is a prime.

It is a super-2 number, since 2×12312455131123² (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 (12312455131133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534684936 + ... + 534707962.

It is an arithmetic number, because the mean of its divisors is an integer number (443747257200).

Almost surely, 2^{12312455131123} is an apocalyptic number.

12312455131123 is a deficient number, since it is larger than the sum of its proper divisors (1887457099277).

12312455131123 is a wasteful number, since it uses less digits than its factorization.

12312455131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24699.

The product of its digits is 21600, while the sum is 34.

The spelling of 12312455131123 in words is "twelve trillion, three hundred twelve billion, four hundred fifty-five million, one hundred thirty-one thousand, one hundred twenty-three".