212013392 has 40 divisors (see below), whose sum is σ = 445078656. Its totient is φ = 97445376.

The previous prime is 212013377. The next prime is 212013407. The reversal of 212013392 is 293310212.

It is an interprime number because it is at equal distance from previous prime (212013377) and next prime (212013407).

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, 2633 + ... + 20759.

Almost surely, 2^212013392 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 212013392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222539328).

212013392 is an abundant number, since it is smaller than the sum of its proper divisors (233065264).

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

212013392 is a wasteful number, since it uses less digits than its factorization.

212013392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18195 (or 18189 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 212013392 is about 14560.6796544667. The cubic root of 212013392 is about 596.2857509984.

The spelling of 212013392 in words is "two hundred twelve million, thirteen thousand, three hundred ninety-two".