12400053002 has 16 divisors (see below), whose sum is σ = 18830291400. Its totient is φ = 6123590400.

The previous prime is 12400052999. The next prime is 12400053023. The reversal of 12400053002 is 20035000421.

It can be written as a sum of positive squares in 4 ways, for example, as 12237005641 + 163047361 = 110621^2 + 12769^2 .

It is a super-2 number, since 2×12400053002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7574 + ... + 157662.

Almost surely, 2^12400053002 is an apocalyptic number.

12400053002 is a deficient number, since it is larger than the sum of its proper divisors (6430238398).

12400053002 is a wasteful number, since it uses less digits than its factorization.

12400053002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150601.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 12400053002 its reverse (20035000421), we get a palindrome (32435053423).

The spelling of 12400053002 in words is "twelve billion, four hundred million, fifty-three thousand, two".