313212300000000 has 324 divisors, whose sum is σ = 1042002321963288. Its totient is φ = 83523200000000.

The previous prime is 313212299999923. The next prime is 313212300000001. The reversal of 313212300000000 is 3212313.

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

It is not an unprimeable number, because it can be changed into a prime (313212300000001) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 299477980 + ... + 300522020.

Almost surely, 2^{313212300000000} is an apocalyptic number.

313212300000000 is a gapful number since it is divisible by the number (30) 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 313212300000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521001160981644).

313212300000000 is an abundant number, since it is smaller than the sum of its proper divisors (728790021963288).

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

313212300000000 is an frugal number, since it uses more digits than its factorization.

313212300000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044100 (or 1044051 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 313212300000000 its reverse (3212313), we get a palindrome (313212303212313).

The spelling of 313212300000000 in words is "three hundred thirteen trillion, two hundred twelve billion, three hundred million", and thus it is an aban number.