12120559862 has 16 divisors (see below), whose sum is σ = 19085414400. Its totient is φ = 5765382120.

The previous prime is 12120559859. The next prime is 12120559879. The reversal of 12120559862 is 26895502121.

It is a congruent number.

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, 1653062 + ... + 1660377.

It is an arithmetic number, because the mean of its divisors is an integer number (1192838400).

Almost surely, 2^12120559862 is an apocalyptic number.

12120559862 is a deficient number, since it is larger than the sum of its proper divisors (6964854538).

12120559862 is a wasteful number, since it uses less digits than its factorization.

12120559862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313531.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 12120559862 in words is "twelve billion, one hundred twenty million, five hundred fifty-nine thousand, eight hundred sixty-two".