2312131200000 has 528 divisors, whose sum is σ = 7744072972608. Its totient is φ = 613273600000.

The previous prime is 2312131199951. The next prime is 2312131200011. The reversal of 2312131200000 is 21312132.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 47 ways as a sum of consecutive naturals, for example, 2179199470 + ... + 2179200530.

Almost surely, 2^{2312131200000} is an apocalyptic number.

2312131200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312131200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3872036486304).

2312131200000 is an abundant number, since it is smaller than the sum of its proper divisors (5431941772608).

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

2312131200000 is an equidigital number, since it uses as much as digits as its factorization.

2312131200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2312131200000 its reverse (21312132), we get a palindrome (2312152512132).

The spelling of 2312131200000 in words is "two trillion, three hundred twelve billion, one hundred thirty-one million, two hundred thousand".