12492271224 has 64 divisors (see below), whose sum is σ = 35638634400. Its totient is φ = 4051544832.

The previous prime is 12492271201. The next prime is 12492271229. The reversal of 12492271224 is 42217229421.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12492271229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773557 + ... + 789540.

Almost surely, 2^12492271224 is an apocalyptic number.

It is an amenable number.

12492271224 is an abundant number, since it is smaller than the sum of its proper divisors (23146363176).

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

12492271224 is a wasteful number, since it uses less digits than its factorization.

12492271224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563149 (or 1563139 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The spelling of 12492271224 in words is "twelve billion, four hundred ninety-two million, two hundred seventy-one thousand, two hundred twenty-four".