212341631790 has 64 divisors (see below), whose sum is σ = 525375305280. Its totient is φ = 54891432960.

The previous prime is 212341631731. The next prime is 212341631809. The reversal of 212341631790 is 97136143212.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 356685 + ... + 742904.

It is an arithmetic number, because the mean of its divisors is an integer number (8208989145).

Almost surely, 2^212341631790 is an apocalyptic number.

212341631790 is an abundant number, since it is smaller than the sum of its proper divisors (313033673490).

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

212341631790 is a wasteful number, since it uses less digits than its factorization.

212341631790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099797.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 212341631790 in words is "two hundred twelve billion, three hundred forty-one million, six hundred thirty-one thousand, seven hundred ninety".