212188204 has 12 divisors (see below), whose sum is σ = 371488824. Its totient is φ = 106048544.

The previous prime is 212188201. The next prime is 212188213. The reversal of 212188204 is 402881212.

212188204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212188201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459 + ... + 20605.

It is an arithmetic number, because the mean of its divisors is an integer number (30957402).

Almost surely, 2^212188204 is an apocalyptic number.

It is an amenable number.

212188204 is a deficient number, since it is larger than the sum of its proper divisors (159300620).

212188204 is a wasteful number, since it uses less digits than its factorization.

212188204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22784 (or 22782 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 212188204 is about 14566.6812967127. The cubic root of 212188204 is about 596.4495916999.

The spelling of 212188204 in words is "two hundred twelve million, one hundred eighty-eight thousand, two hundred four".