212431320244 has 48 divisors (see below), whose sum is σ = 440612061120. Its totient is φ = 88343216640.

The previous prime is 212431320203. The next prime is 212431320253. The reversal of 212431320244 is 442023134212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1578654 + ... + 1707925.

It is an arithmetic number, because the mean of its divisors is an integer number (9179417940).

Almost surely, 2^212431320244 is an apocalyptic number.

It is an amenable number.

212431320244 is an abundant number, since it is smaller than the sum of its proper divisors (228180740876).

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

212431320244 is a wasteful number, since it uses less digits than its factorization.

212431320244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286720 (or 3286718 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 212431320244 its reverse (442023134212), we get a palindrome (654454454456).

The spelling of 212431320244 in words is "two hundred twelve billion, four hundred thirty-one million, three hundred twenty thousand, two hundred forty-four".