12431645001 has 24 divisors (see below), whose sum is σ = 18203144960. Its totient is φ = 8174761056.

The previous prime is 12431644963. The next prime is 12431645003. The reversal of 12431645001 is 10054613421.

It is a happy number.

12431645001 is a `hidden beast` number, since 12 + 4 + 3 + 1 + 645 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 12431645001 - 2¹⁵ = 12431612233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12431645003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190350 + ... + 247176.

Almost surely, 2^12431645001 is an apocalyptic number.

It is an amenable number.

12431645001 is a deficient number, since it is larger than the sum of its proper divisors (5771499959).

12431645001 is a wasteful number, since it uses less digits than its factorization.

12431645001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57165 (or 57162 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 12431645001 in words is "twelve billion, four hundred thirty-one million, six hundred forty-five thousand, one".