201213188 has 24 divisors (see below), whose sum is σ = 396528384. Its totient is φ = 88509600.

The previous prime is 201213167. The next prime is 201213191. The reversal of 201213188 is 881312102.

201213188 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72395 + ... + 75122.

It is an arithmetic number, because the mean of its divisors is an integer number (16522016).

Almost surely, 2^201213188 is an apocalyptic number.

It is an amenable number.

201213188 is a deficient number, since it is larger than the sum of its proper divisors (195315196).

201213188 is a wasteful number, since it uses less digits than its factorization.

201213188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147563 (or 147561 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 201213188 is about 14184.9634472564. The cubic root of 201213188 is about 585.9836258320.

The spelling of 201213188 in words is "two hundred one million, two hundred thirteen thousand, one hundred eighty-eight".