212990425720 has 32 divisors (see below), whose sum is σ = 479252991600. Its totient is φ = 85191808768.

The previous prime is 212990425709. The next prime is 212990425751. The reversal of 212990425720 is 27524099212.

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 7 ways as a sum of consecutive naturals, for example, 721452 + ... + 972868.

Almost surely, 2^212990425720 is an apocalyptic number.

212990425720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212990425720 is an abundant number, since it is smaller than the sum of its proper divisors (266262565880).

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

212990425720 is a wasteful number, since it uses less digits than its factorization.

212990425720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272607 (or 272603 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 212990425720 in words is "two hundred twelve billion, nine hundred ninety million, four hundred twenty-five thousand, seven hundred twenty".