212230021308 has 48 divisors (see below), whose sum is σ = 502493957280. Its totient is φ = 69708201984.

The previous prime is 212230021271. The next prime is 212230021327. The reversal of 212230021308 is 803120032212.

It is a happy number.

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, 131541 + ... + 664652.

It is an arithmetic number, because the mean of its divisors is an integer number (10468624110).

Almost surely, 2^212230021308 is an apocalyptic number.

It is an amenable number.

212230021308 is an abundant number, since it is smaller than the sum of its proper divisors (290263935972).

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

212230021308 is a wasteful number, since it uses less digits than its factorization.

212230021308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796526 (or 796524 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 212230021308 in words is "two hundred twelve billion, two hundred thirty million, twenty-one thousand, three hundred eight".