312212334111020 has 96 divisors (see below), whose sum is σ = 767423047372800. Its totient is φ = 106649231048640.

The previous prime is 312212334111019. The next prime is 312212334111023. The reversal of 312212334111020 is 20111433212213.

It is not an unprimeable number, because it can be changed into a prime (312212334111023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82111424 + ... + 85829543.

It is an arithmetic number, because the mean of its divisors is an integer number (7993990076800).

Almost surely, 2^{312212334111020} is an apocalyptic number.

It is an amenable number.

312212334111020 is an abundant number, since it is smaller than the sum of its proper divisors (455210713261780).

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

312212334111020 is a wasteful number, since it uses less digits than its factorization.

312212334111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167941268 (or 167941252 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 312212334111020 its reverse (20111433212213), we get a palindrome (332323767323233).

The spelling of 312212334111020 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred thirty-four million, one hundred eleven thousand, twenty".