12400531401 has 8 divisors (see below), whose sum is σ = 16612403104. Its totient is φ = 8227840320.

The previous prime is 12400531361. The next prime is 12400531411. The reversal of 12400531401 is 10413500421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12400531401 - 2⁶ = 12400531337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12400531411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9794416 + ... + 9795681.

It is an arithmetic number, because the mean of its divisors is an integer number (2076550388).

Almost surely, 2^12400531401 is an apocalyptic number.

It is an amenable number.

12400531401 is a deficient number, since it is larger than the sum of its proper divisors (4211871703).

12400531401 is a wasteful number, since it uses less digits than its factorization.

12400531401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19590311.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 12400531401 in words is "twelve billion, four hundred million, five hundred thirty-one thousand, four hundred one".