3122310031212 has 48 divisors (see below), whose sum is σ = 7373479034880. Its totient is φ = 1028254453632.

The previous prime is 3122310031187. The next prime is 3122310031231. The reversal of 3122310031212 is 2121300132213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3921873 + ... + 4650344.

It is an arithmetic number, because the mean of its divisors is an integer number (153614146560).

Almost surely, 2^{3122310031212} is an apocalyptic number.

It is an amenable number.

3122310031212 is an abundant number, since it is smaller than the sum of its proper divisors (4251169003668).

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

3122310031212 is a wasteful number, since it uses less digits than its factorization.

3122310031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572590 (or 8572588 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3122310031212 its reverse (2121300132213), we get a palindrome (5243610163425).

The spelling of 3122310031212 in words is "three trillion, one hundred twenty-two billion, three hundred ten million, thirty-one thousand, two hundred twelve".