12272616764 has 24 divisors (see below), whose sum is σ = 21690099648. Its totient is φ = 6075560960.

The previous prime is 12272616739. The next prime is 12272616767. The reversal of 12272616764 is 46761627221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272616767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427709 + ... + 455499.

It is an arithmetic number, because the mean of its divisors is an integer number (903754152).

Almost surely, 2^12272616764 is an apocalyptic number.

It is an amenable number.

12272616764 is a deficient number, since it is larger than the sum of its proper divisors (9417482884).

12272616764 is a wasteful number, since it uses less digits than its factorization.

12272616764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28885 (or 28883 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The spelling of 12272616764 in words is "twelve billion, two hundred seventy-two million, six hundred sixteen thousand, seven hundred sixty-four".