212126070864 has 40 divisors (see below), whose sum is σ = 548976247200. Its totient is φ = 70581735808.

The previous prime is 212126070857. The next prime is 212126070883. The reversal of 212126070864 is 468070621212.

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, 3940314 + ... + 3993785.

It is an arithmetic number, because the mean of its divisors is an integer number (13724406180).

Almost surely, 2^212126070864 is an apocalyptic number.

212126070864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212126070864 is an abundant number, since it is smaller than the sum of its proper divisors (336850176336).

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

212126070864 is a wasteful number, since it uses less digits than its factorization.

212126070864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934667 (or 7934661 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 212126070864 in words is "two hundred twelve billion, one hundred twenty-six million, seventy thousand, eight hundred sixty-four".