210453212 has 12 divisors (see below), whose sum is σ = 370553736. Its totient is φ = 104580720.

The previous prime is 210453211. The next prime is 210453239. The reversal of 210453212 is 212354012.

It is a super-2 number, since 2×210453212² = 88581108882233888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210453211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160739 + ... + 162042.

It is an arithmetic number, because the mean of its divisors is an integer number (30879478).

Almost surely, 2^210453212 is an apocalyptic number.

It is an amenable number.

210453212 is a deficient number, since it is larger than the sum of its proper divisors (160100524).

210453212 is a wasteful number, since it uses less digits than its factorization.

210453212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322948 (or 322946 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 210453212 is about 14507.0056179764. The cubic root of 210453212 is about 594.8194843491.

The spelling of 210453212 in words is "two hundred ten million, four hundred fifty-three thousand, two hundred twelve".