212331122310 has 32 divisors (see below), whose sum is σ = 510009423840. Its totient is φ = 56575551488.

The previous prime is 212331122299. The next prime is 212331122329. The reversal of 212331122310 is 13221133212.

It is a super-2 number, since 2×212331122310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 2842587 + ... + 2916326.

It is an arithmetic number, because the mean of its divisors is an integer number (15937794495).

Almost surely, 2^212331122310 is an apocalyptic number.

212331122310 is an abundant number, since it is smaller than the sum of its proper divisors (297678301530).

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

212331122310 is a wasteful number, since it uses less digits than its factorization.

212331122310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760152.

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

Adding to 212331122310 its reverse (13221133212), we get a palindrome (225552255522).

The spelling of 212331122310 in words is "two hundred twelve billion, three hundred thirty-one million, one hundred twenty-two thousand, three hundred ten".