212112311231004 has 96 divisors (see below), whose sum is σ = 527444187217920. Its totient is φ = 66189999235008.

The previous prime is 212112311231003. The next prime is 212112311231033. The reversal of 212112311231004 is 400132113211212.

212112311231004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112311231003) 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, 1251440847 + ... + 1251610329.

It is an arithmetic number, because the mean of its divisors is an integer number (5494210283520).

Almost surely, 2^{212112311231004} is an apocalyptic number.

It is an amenable number.

212112311231004 is an abundant number, since it is smaller than the sum of its proper divisors (315331875986916).

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

212112311231004 is a wasteful number, since it uses less digits than its factorization.

212112311231004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266039 (or 266037 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 212112311231004 its reverse (400132113211212), we get a palindrome (612244424442216).

The spelling of 212112311231004 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred eleven million, two hundred thirty-one thousand, four".