212022831597312 has 72 divisors (see below), whose sum is σ = 569283648457104. Its totient is φ = 70048841089024.

The previous prime is 212022831597287. The next prime is 212022831597323. The reversal of 212022831597312 is 213795138220212.

It is a super-2 number, since 2×212022831597312² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221468063 + ... + 1221641630.

It is an arithmetic number, because the mean of its divisors is an integer number (7906717339682).

Almost surely, 2^{212022831597312} is an apocalyptic number.

It is an amenable number.

212022831597312 is an abundant number, since it is smaller than the sum of its proper divisors (357260816859792).

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

212022831597312 is a wasteful number, since it uses less digits than its factorization.

212022831597312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443109825 (or 2443109811 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 212022831597312 in words is "two hundred twelve trillion, twenty-two billion, eight hundred thirty-one million, five hundred ninety-seven thousand, three hundred twelve".