12555132000400 has 120 divisors (see below), whose sum is σ = 32990454993600. Its totient is φ = 4553765414400.

The previous prime is 12555132000361. The next prime is 12555132000451. The reversal of 12555132000400 is 400023155521.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1956060 + ... + 5379259.

It is an arithmetic number, because the mean of its divisors is an integer number (274920458280).

Almost surely, 2^{12555132000400} is an apocalyptic number.

12555132000400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12555132000400 is an abundant number, since it is smaller than the sum of its proper divisors (20435322993200).

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

12555132000400 is a wasteful number, since it uses less digits than its factorization.

12555132000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7335737 (or 7335726 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 12555132000400 its reverse (400023155521), we get a palindrome (12955155155921).

The spelling of 12555132000400 in words is "twelve trillion, five hundred fifty-five billion, one hundred thirty-two million, four hundred", and thus it is an aban number.