12451042131 has 16 divisors (see below), whose sum is σ = 19175937408. Its totient is φ = 7102198400.

The previous prime is 12451042039. The next prime is 12451042139. The reversal of 12451042131 is 13124015421.

It is not a de Polignac number, because 12451042131 - 2⁹ = 12451041619 is a prime.

It is a super-2 number, since 2×12451042131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12451042139) 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, 11096625 + ... + 11097746.

It is an arithmetic number, because the mean of its divisors is an integer number (1198496088).

Almost surely, 2^12451042131 is an apocalyptic number.

12451042131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12451042131 is a deficient number, since it is larger than the sum of its proper divisors (6724895277).

12451042131 is a wasteful number, since it uses less digits than its factorization.

12451042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22194402.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 12451042131 its reverse (13124015421), we get a palindrome (25575057552).

The spelling of 12451042131 in words is "twelve billion, four hundred fifty-one million, forty-two thousand, one hundred thirty-one".