212331112211330 has 32 divisors (see below), whose sum is σ = 442947479166720. Its totient is φ = 71773897083840.

The previous prime is 212331112211329. The next prime is 212331112211371. The reversal of 212331112211330 is 33112211133212.

It is a self number, because there is not a number n which added to its sum of digits gives 212331112211330.

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 15 ways as a sum of consecutive naturals, for example, 21361273925 + ... + 21361283864.

It is an arithmetic number, because the mean of its divisors is an integer number (13842108723960).

Almost surely, 2^{212331112211330} is an apocalyptic number.

212331112211330 is an abundant number, since it is smaller than the sum of its proper divisors (230616366955390).

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

212331112211330 is a wasteful number, since it uses less digits than its factorization.

212331112211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42722557874.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 212331112211330 its reverse (33112211133212), we get a palindrome (245443323344542).

The spelling of 212331112211330 in words is "two hundred twelve trillion, three hundred thirty-one billion, one hundred twelve million, two hundred eleven thousand, three hundred thirty".