12240033204400 has 60 divisors (see below), whose sum is σ = 31136484483432. Its totient is φ = 4608012497920.

The previous prime is 12240033204337. The next prime is 12240033204431. The reversal of 12240033204400 is 440233004221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899995642 + ... + 900009241.

Almost surely, 2^{12240033204400} is an apocalyptic number.

12240033204400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12240033204400 is an abundant number, since it is smaller than the sum of its proper divisors (18896451279032).

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

12240033204400 is a wasteful number, since it uses less digits than its factorization.

12240033204400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800004918 (or 1800004907 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12240033204400 its reverse (440233004221), we get a palindrome (12680266208621).

The spelling of 12240033204400 in words is "twelve trillion, two hundred forty billion, thirty-three million, two hundred four thousand, four hundred".