12506743666204 has 96 divisors (see below), whose sum is σ = 23446839177216. Its totient is φ = 5822791518720.

The previous prime is 12506743666189. The next prime is 12506743666229. The reversal of 12506743666204 is 40266634760521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5328820159 + ... + 5328822505.

It is an arithmetic number, because the mean of its divisors is an integer number (244237908096).

Almost surely, 2^{12506743666204} is an apocalyptic number.

It is an amenable number.

12506743666204 is a deficient number, since it is larger than the sum of its proper divisors (10940095511012).

12506743666204 is a wasteful number, since it uses less digits than its factorization.

12506743666204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915 (or 4913 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 12506743666204 in words is "twelve trillion, five hundred six billion, seven hundred forty-three million, six hundred sixty-six thousand, two hundred four".