12455505631204 has 24 divisors (see below), whose sum is σ = 21956882585400. Its totient is φ = 6182186240256.

The previous prime is 12455505631181. The next prime is 12455505631243. The reversal of 12455505631204 is 40213650555421.

It can be written as a sum of positive squares in 4 ways, for example, as 2950012353600 + 9505493277604 = 1717560^2 + 3083098^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8794807 + ... + 10112350.

It is an arithmetic number, because the mean of its divisors is an integer number (914870107725).

Almost surely, 2^{12455505631204} is an apocalyptic number.

It is an amenable number.

12455505631204 is a deficient number, since it is larger than the sum of its proper divisors (9501376954196).

12455505631204 is a wasteful number, since it uses less digits than its factorization.

12455505631204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18908367 (or 18908365 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 12455505631204 in words is "twelve trillion, four hundred fifty-five billion, five hundred five million, six hundred thirty-one thousand, two hundred four".