12240550312 has 16 divisors (see below), whose sum is σ = 22973793300. Its totient is φ = 6114205440.

The previous prime is 12240550279. The next prime is 12240550313. The reversal of 12240550312 is 21305504221.

It can be written as a sum of positive squares in 2 ways, for example, as 10540307556 + 1700242756 = 102666^2 + 41234^2 .

It is not an unprimeable number, because it can be changed into a prime (12240550313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750139 + ... + 766282.

Almost surely, 2^12240550312 is an apocalyptic number.

It is an amenable number.

12240550312 is a deficient number, since it is larger than the sum of its proper divisors (10733242988).

12240550312 is a wasteful number, since it uses less digits than its factorization.

12240550312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517436 (or 1517432 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 12240550312 in words is "twelve billion, two hundred forty million, five hundred fifty thousand, three hundred twelve".