12552520400 has 60 divisors (see below), whose sum is σ = 34465642272. Its totient is φ = 4303720320.

The previous prime is 12552520339. The next prime is 12552520439. The reversal of 12552520400 is 402525521.

It is a self number, because there is not a number n which added to its sum of digits gives 12552520400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2238722 + ... + 2244321.

Almost surely, 2^12552520400 is an apocalyptic number.

12552520400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12552520400 is an abundant number, since it is smaller than the sum of its proper divisors (21913121872).

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

12552520400 is a wasteful number, since it uses less digits than its factorization.

12552520400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483068 (or 4483057 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 12552520400 in words is "twelve billion, five hundred fifty-two million, five hundred twenty thousand, four hundred".