12216734276 has 12 divisors (see below), whose sum is σ = 22636890108. Its totient is φ = 5749051392.

The previous prime is 12216734263. The next prime is 12216734317. The reversal of 12216734276 is 67243761221.

It can be written as a sum of positive squares in 2 ways, for example, as 10225254400 + 1991479876 = 101120^2 + 44626^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89828861 + ... + 89828996.

It is an arithmetic number, because the mean of its divisors is an integer number (1886407509).

Almost surely, 2^12216734276 is an apocalyptic number.

It is an amenable number.

12216734276 is a deficient number, since it is larger than the sum of its proper divisors (10420155832).

12216734276 is a wasteful number, since it uses less digits than its factorization.

12216734276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179657878 (or 179657876 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The spelling of 12216734276 in words is "twelve billion, two hundred sixteen million, seven hundred thirty-four thousand, two hundred seventy-six".