210451612 has 24 divisors (see below), whose sum is σ = 422483040. Its totient is φ = 89855040.

The previous prime is 210451609. The next prime is 210451613. The reversal of 210451612 is 216154012.

210451612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210451613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6439 + ... + 21502.

It is an arithmetic number, because the mean of its divisors is an integer number (17603460).

Almost surely, 2^210451612 is an apocalyptic number.

It is an amenable number.

210451612 is an abundant number, since it is smaller than the sum of its proper divisors (212031428).

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

210451612 is a wasteful number, since it uses less digits than its factorization.

210451612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28221 (or 28219 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 210451612 is about 14506.9504721013. The cubic root of 210451612 is about 594.8179769458.

The spelling of 210451612 in words is "two hundred ten million, four hundred fifty-one thousand, six hundred twelve".