212207883392 has 72 divisors (see below), whose sum is σ = 446387682915. Its totient is φ = 100472617728.

The previous prime is 212207883389. The next prime is 212207883397. The reversal of 212207883392 is 293388702212.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 106103941696 + 106103941696 = 325736^2 + 325736^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=325736.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212207883397) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 99022673 + ... + 99024815.

Almost surely, 2^212207883392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212207883392

212207883392 is an abundant number, since it is smaller than the sum of its proper divisors (234179799523).

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

212207883392 is an frugal number, since it uses more digits than its factorization.

212207883392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 212207883392 in words is "two hundred twelve billion, two hundred seven million, eight hundred eighty-three thousand, three hundred ninety-two".