2312120344320 has 108 divisors (see below), whose sum is σ = 7999695585336. Its totient is φ = 616565422080.

The previous prime is 2312120344319. The next prime is 2312120344333. The reversal of 2312120344320 is 234430212132.

2312120344320 is a `hidden beast` number, since 2 + 3 + 1 + 21 + 203 + 4 + 432 + 0 = 666.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 100340926 + ... + 100363965.

Almost surely, 2^{2312120344320} is an apocalyptic number.

2312120344320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312120344320 is an abundant number, since it is smaller than the sum of its proper divisors (5687575241016).

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

2312120344320 is a wasteful number, since it uses less digits than its factorization.

2312120344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200704918 (or 200704901 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2312120344320 its reverse (234430212132), we get a palindrome (2546550556452).

The spelling of 2312120344320 in words is "two trillion, three hundred twelve billion, one hundred twenty million, three hundred forty-four thousand, three hundred twenty".