12242542400 has 84 divisors (see below), whose sum is σ = 32862926400. Its totient is φ = 4451827200.

The previous prime is 12242542399. The next prime is 12242542409. The reversal of 12242542400 is 424524221.

It is a self number, because there is not a number n which added to its sum of digits gives 12242542400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242542409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330200 + ... + 365399.

Almost surely, 2^12242542400 is an apocalyptic number.

12242542400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12242542400 is an abundant number, since it is smaller than the sum of its proper divisors (20620384000).

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

12242542400 is a wasteful number, since it uses less digits than its factorization.

12242542400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695632 (or 695617 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The spelling of 12242542400 in words is "twelve billion, two hundred forty-two million, five hundred forty-two thousand, four hundred".