12401534451 has 16 divisors (see below), whose sum is σ = 17144582400. Its totient is φ = 7964388768.

The previous prime is 12401534399. The next prime is 12401534477. The reversal of 12401534451 is 15443510421.

It is not a de Polignac number, because 12401534451 - 2⁹ = 12401533939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12401538451) 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, 124161 + ... + 200546.

It is an arithmetic number, because the mean of its divisors is an integer number (1071536400).

Almost surely, 2^12401534451 is an apocalyptic number.

12401534451 is a deficient number, since it is larger than the sum of its proper divisors (4743047949).

12401534451 is a wasteful number, since it uses less digits than its factorization.

12401534451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325178.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 12401534451 in words is "twelve billion, four hundred one million, five hundred thirty-four thousand, four hundred fifty-one".