12216537274 has 64 divisors (see below), whose sum is σ = 20624947200. Its totient is φ = 5402158272.

The previous prime is 12216537247. The next prime is 12216537287. The reversal of 12216537274 is 47273561221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4879507 + ... + 4882009.

It is an arithmetic number, because the mean of its divisors is an integer number (322264800).

Almost surely, 2^12216537274 is an apocalyptic number.

12216537274 is a deficient number, since it is larger than the sum of its proper divisors (8408409926).

12216537274 is a wasteful number, since it uses less digits than its factorization.

12216537274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699.

The product of its digits is 141120, while the sum is 40.

The spelling of 12216537274 in words is "twelve billion, two hundred sixteen million, five hundred thirty-seven thousand, two hundred seventy-four".