212177052 has 18 divisors (see below), whose sum is σ = 536336528. Its totient is φ = 70725672.

The previous prime is 212176999. The next prime is 212177057. The reversal of 212177052 is 250771212.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212177057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2946868 + ... + 2946939.

Almost surely, 2^212177052 is an apocalyptic number.

It is an amenable number.

212177052 is an abundant number, since it is smaller than the sum of its proper divisors (324159476).

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

212177052 is a wasteful number, since it uses less digits than its factorization.

212177052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893817 (or 5893812 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 212177052 is about 14566.2985003054. The cubic root of 212177052 is about 596.4391422935.

The spelling of 212177052 in words is "two hundred twelve million, one hundred seventy-seven thousand, fifty-two".