212164371 has 12 divisors (see below), whose sum is σ = 307173048. Its totient is φ = 141113664.

The previous prime is 212164361. The next prime is 212164373. The reversal of 212164371 is 173461212.

212164371 is a `hidden beast` number, since 2 + 12 + 1 + 643 + 7 + 1 = 666.

It is not a de Polignac number, because 212164371 - 2⁵ = 212164339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212164373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23325 + ... + 31118.

It is an arithmetic number, because the mean of its divisors is an integer number (25597754).

Almost surely, 2^212164371 is an apocalyptic number.

212164371 is a deficient number, since it is larger than the sum of its proper divisors (95008677).

212164371 is a wasteful number, since it uses less digits than its factorization.

212164371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54882 (or 54879 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 212164371 is about 14565.8632082002. The cubic root of 212164371 is about 596.4272597715.

The spelling of 212164371 in words is "two hundred twelve million, one hundred sixty-four thousand, three hundred seventy-one".