12020218874 has 16 divisors (see below), whose sum is σ = 18661081320. Its totient is φ = 5800058880.

The previous prime is 12020218813. The next prime is 12020218927. The reversal of 12020218874 is 47881202021.

It can be written as a sum of positive squares in 4 ways, for example, as 2895193249 + 9125025625 = 53807^2 + 95525^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73514 + ... + 171594.

Almost surely, 2^12020218874 is an apocalyptic number.

12020218874 is a deficient number, since it is larger than the sum of its proper divisors (6640862446).

12020218874 is a wasteful number, since it uses less digits than its factorization.

12020218874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100225.

The product of its (nonzero) digits is 14336, while the sum is 35.

The spelling of 12020218874 in words is "twelve billion, twenty million, two hundred eighteen thousand, eight hundred seventy-four".