210471812 has 12 divisors (see below), whose sum is σ = 368435340. Its totient is φ = 105204576.

The previous prime is 210471773. The next prime is 210471817. The reversal of 210471812 is 218174012.

It can be written as a sum of positive squares in 2 ways, for example, as 76282756 + 134189056 = 8734^2 + 11584^2 .

It is not an unprimeable number, because it can be changed into a prime (210471817) 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, 14114 + ... + 24902.

It is an arithmetic number, because the mean of its divisors is an integer number (30702945).

Almost surely, 2^210471812 is an apocalyptic number.

It is an amenable number.

210471812 is a deficient number, since it is larger than the sum of its proper divisors (157963528).

210471812 is a wasteful number, since it uses less digits than its factorization.

210471812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15670 (or 15668 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 210471812 is about 14507.6466733926. The cubic root of 210471812 is about 594.8370073516.

The spelling of 210471812 in words is "two hundred ten million, four hundred seventy-one thousand, eight hundred twelve".