12534515204 has 12 divisors (see below), whose sum is σ = 21936273744. Its totient is φ = 6267008424.

The previous prime is 12534515143. The next prime is 12534515207. The reversal of 12534515204 is 40251543521.

It is a super-2 number, since 2×12534515204² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12534515207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95039 + ... + 184665.

It is an arithmetic number, because the mean of its divisors is an integer number (1828022812).

Almost surely, 2^12534515204 is an apocalyptic number.

It is an amenable number.

12534515204 is a deficient number, since it is larger than the sum of its proper divisors (9401758540).

12534515204 is a wasteful number, since it uses less digits than its factorization.

12534515204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124594 (or 124592 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 12534515204 in words is "twelve billion, five hundred thirty-four million, five hundred fifteen thousand, two hundred four".