312332222401320 has 128 divisors (see below), whose sum is σ = 1022261144112000. Its totient is φ = 75710757089280.

The previous prime is 312332222401301. The next prime is 312332222401357. The reversal of 312332222401320 is 23104222233213.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 6678396 + ... + 25870164.

It is an arithmetic number, because the mean of its divisors is an integer number (7986415188375).

Almost surely, 2^{312332222401320} is an apocalyptic number.

312332222401320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312332222401320 is an abundant number, since it is smaller than the sum of its proper divisors (709928921710680).

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

312332222401320 is a wasteful number, since it uses less digits than its factorization.

312332222401320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19204123 (or 19204119 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 312332222401320 its reverse (23104222233213), we get a palindrome (335436444634533).

The spelling of 312332222401320 in words is "three hundred twelve trillion, three hundred thirty-two billion, two hundred twenty-two million, four hundred one thousand, three hundred twenty".