212431086492 has 48 divisors (see below), whose sum is σ = 521485454112. Its totient is φ = 67216158720.

The previous prime is 212431086467. The next prime is 212431086493. The reversal of 212431086492 is 294680134212.

It is a happy number.

212431086492 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 (212431086493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5816533 + ... + 5852940.

It is an arithmetic number, because the mean of its divisors is an integer number (10864280294).

Almost surely, 2^212431086492 is an apocalyptic number.

It is an amenable number.

212431086492 is an abundant number, since it is smaller than the sum of its proper divisors (309054367620).

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

212431086492 is a wasteful number, since it uses less digits than its factorization.

212431086492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11669558 (or 11669556 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 212431086492 in words is "two hundred twelve billion, four hundred thirty-one million, eighty-six thousand, four hundred ninety-two".