312213301000 has 128 divisors (see below), whose sum is σ = 783543196800. Its totient is φ = 116079724800.

The previous prime is 312213300989. The next prime is 312213301021. The reversal of 312213301000 is 103312213.

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, 851979 + ... + 1162021.

It is an arithmetic number, because the mean of its divisors is an integer number (6121431225).

Almost surely, 2^312213301000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312213301000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391771598400).

312213301000 is an abundant number, since it is smaller than the sum of its proper divisors (471329895800).

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

312213301000 is a wasteful number, since it uses less digits than its factorization.

312213301000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310136 (or 310122 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 312213301000 its reverse (103312213), we get a palindrome (312316613213).

The spelling of 312213301000 in words is "three hundred twelve billion, two hundred thirteen million, three hundred one thousand".