312121122360 has 32 divisors (see below), whose sum is σ = 936363367440. Its totient is φ = 83232299264.

The previous prime is 312121122343. The next prime is 312121122373. The reversal of 312121122360 is 63221121213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 312121122360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300504557 + ... + 1300504796.

Almost surely, 2^312121122360 is an apocalyptic number.

312121122360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312121122360 is an abundant number, since it is smaller than the sum of its proper divisors (624242245080).

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

312121122360 is a wasteful number, since it uses less digits than its factorization.

312121122360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601009367 (or 2601009363 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 312121122360 its reverse (63221121213), we get a palindrome (375342243573).

The spelling of 312121122360 in words is "three hundred twelve billion, one hundred twenty-one million, one hundred twenty-two thousand, three hundred sixty".