12275737272 has 40 divisors (see below), whose sum is σ = 34383432600. Its totient is φ = 4091912208.

The previous prime is 12275737249. The next prime is 12275737273. The reversal of 12275737272 is 27273757221.

12275737272 is a `hidden beast` number, since 1 + 2 + 2 + 7 + 573 + 7 + 2 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275737273) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9471372 + ... + 9472667.

It is an arithmetic number, because the mean of its divisors is an integer number (859585815).

Almost surely, 2^12275737272 is an apocalyptic number.

12275737272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12275737272 is an abundant number, since it is smaller than the sum of its proper divisors (22107695328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12275737272 is a wasteful number, since it uses less digits than its factorization.

12275737272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18944057 (or 18944044 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The spelling of 12275737272 in words is "twelve billion, two hundred seventy-five million, seven hundred thirty-seven thousand, two hundred seventy-two".