212013396 has 72 divisors (see below), whose sum is σ = 639421440. Its totient is φ = 60573744.

The previous prime is 212013377. The next prime is 212013407. The reversal of 212013396 is 693310212.

212013396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14740 + ... + 25323.

Almost surely, 2^212013396 is an apocalyptic number.

It is an amenable number.

212013396 is an abundant number, since it is smaller than the sum of its proper divisors (427408044).

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

212013396 is a wasteful number, since it uses less digits than its factorization.

212013396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40090 (or 40075 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 212013396 is about 14560.6797918229. The cubic root of 212013396 is about 596.2857547484.

The spelling of 212013396 in words is "two hundred twelve million, thirteen thousand, three hundred ninety-six".