210149912 has 16 divisors (see below), whose sum is σ = 450321360. Its totient is φ = 90064224.

The previous prime is 210149911. The next prime is 210149939. The reversal of 210149912 is 219941012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210149911) 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, 1876283 + ... + 1876394.

It is an arithmetic number, because the mean of its divisors is an integer number (28145085).

Almost surely, 2^210149912 is an apocalyptic number.

It is an amenable number.

210149912 is an abundant number, since it is smaller than the sum of its proper divisors (240171448).

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

210149912 is a wasteful number, since it uses less digits than its factorization.

210149912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752690 (or 3752686 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 210149912 is about 14496.5482788145. The cubic root of 210149912 is about 594.5336005585.

The spelling of 210149912 in words is "two hundred ten million, one hundred forty-nine thousand, nine hundred twelve".