12240476772 has 96 divisors (see below), whose sum is σ = 30075494400. Its totient is φ = 3871118592.

The previous prime is 12240476737. The next prime is 12240476777. The reversal of 12240476772 is 27767404221.

It is not an unprimeable number, because it can be changed into a prime (12240476777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2426629 + ... + 2431667.

It is an arithmetic number, because the mean of its divisors is an integer number (313286400).

Almost surely, 2^12240476772 is an apocalyptic number.

12240476772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12240476772 is an abundant number, since it is smaller than the sum of its proper divisors (17835017628).

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

12240476772 is a wasteful number, since it uses less digits than its factorization.

12240476772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225 (or 5223 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The spelling of 12240476772 in words is "twelve billion, two hundred forty million, four hundred seventy-six thousand, seven hundred seventy-two".