212669364 has 12 divisors (see below), whose sum is σ = 496228544. Its totient is φ = 70889784.

The previous prime is 212669351. The next prime is 212669381. The reversal of 212669364 is 463966212.

212669364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8861212 + ... + 8861235.

Almost surely, 2^212669364 is an apocalyptic number.

It is an amenable number.

212669364 is an abundant number, since it is smaller than the sum of its proper divisors (283559180).

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

212669364 is a wasteful number, since it uses less digits than its factorization.

212669364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17722454 (or 17722452 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 212669364 is about 14583.1877173682. The cubic root of 212669364 is about 596.9000896190.

The spelling of 212669364 in words is "two hundred twelve million, six hundred sixty-nine thousand, three hundred sixty-four".