12420600356 has 12 divisors (see below), whose sum is σ = 22485569820. Its totient is φ = 5996151840.

The previous prime is 12420600329. The next prime is 12420600373. The reversal of 12420600356 is 65300602421.

It can be written as a sum of positive squares in 2 ways, for example, as 9338129956 + 3082470400 = 96634^2 + 55520^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53536955 + ... + 53537186.

It is an arithmetic number, because the mean of its divisors is an integer number (1873797485).

Almost surely, 2^12420600356 is an apocalyptic number.

It is an amenable number.

12420600356 is a deficient number, since it is larger than the sum of its proper divisors (10064969464).

12420600356 is a wasteful number, since it uses less digits than its factorization.

12420600356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107074174 (or 107074172 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 12420600356 in words is "twelve billion, four hundred twenty million, six hundred thousand, three hundred fifty-six".