2312120331300 has 144 divisors (see below), whose sum is σ = 7261058373632. Its totient is φ = 564655795200.

The previous prime is 2312120331299. The next prime is 2312120331349. The reversal of 2312120331300 is 31330212132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1838761 + ... + 2829360.

Almost surely, 2^{2312120331300} is an apocalyptic number.

2312120331300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312120331300 is an abundant number, since it is smaller than the sum of its proper divisors (4948938042332).

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

2312120331300 is a wasteful number, since it uses less digits than its factorization.

2312120331300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668278 (or 4668271 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2312120331300 its reverse (31330212132), we get a palindrome (2343450543432).

The spelling of 2312120331300 in words is "two trillion, three hundred twelve billion, one hundred twenty million, three hundred thirty-one thousand, three hundred".