2012400231100 has 72 divisors (see below), whose sum is σ = 4991295536640. Its totient is φ = 689890729920.

The previous prime is 2012400231091. The next prime is 2012400231131. The reversal of 2012400231100 is 11320042102.

It is a congruent number.

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, 6483657 + ... + 6786943.

It is an arithmetic number, because the mean of its divisors is an integer number (69323549120).

Almost surely, 2^{2012400231100} is an apocalyptic number.

2012400231100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012400231100 is an abundant number, since it is smaller than the sum of its proper divisors (2978895305540).

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

2012400231100 is a wasteful number, since it uses less digits than its factorization.

2012400231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312787 (or 312780 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2012400231100 its reverse (11320042102), we get a palindrome (2023720273202).

It can be divided in two parts, 20124002 and 31100, that added together give a palindrome (20155102).

The spelling of 2012400231100 in words is "two trillion, twelve billion, four hundred million, two hundred thirty-one thousand, one hundred".