1208579138612 has 12 divisors (see below), whose sum is σ = 2226329992320. Its totient is φ = 572484855096.

The previous prime is 1208579138573. The next prime is 1208579138617. The reversal of 1208579138612 is 2168319758021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208579138617) 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, 7951178468 + ... + 7951178619.

It is an arithmetic number, because the mean of its divisors is an integer number (185527499360).

Almost surely, 2^{1208579138612} is an apocalyptic number.

It is an amenable number.

1208579138612 is a deficient number, since it is larger than the sum of its proper divisors (1017750853708).

1208579138612 is a wasteful number, since it uses less digits than its factorization.

1208579138612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15902357110 (or 15902357108 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 1208579138612 in words is "one trillion, two hundred eight billion, five hundred seventy-nine million, one hundred thirty-eight thousand, six hundred twelve".