12180820162 has 32 divisors (see below), whose sum is σ = 22308526080. Its totient is φ = 4871774160.

The previous prime is 12180820159. The next prime is 12180820193. The reversal of 12180820162 is 26102808121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323914 + ... + 359557.

It is an arithmetic number, because the mean of its divisors is an integer number (697141440).

Almost surely, 2^12180820162 is an apocalyptic number.

12180820162 is a deficient number, since it is larger than the sum of its proper divisors (10127705918).

12180820162 is a wasteful number, since it uses less digits than its factorization.

12180820162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683566.

The product of its (nonzero) digits is 3072, while the sum is 31.

The spelling of 12180820162 in words is "twelve billion, one hundred eighty million, eight hundred twenty thousand, one hundred sixty-two".