210747412 has 12 divisors (see below), whose sum is σ = 378776020. Its totient is φ = 102525696.

The previous prime is 210747391. The next prime is 210747457. The reversal of 210747412 is 214747012.

It can be written as a sum of positive squares in 2 ways, for example, as 106584976 + 104162436 = 10324^2 + 10206^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711837 + ... + 712132.

Almost surely, 2^210747412 is an apocalyptic number.

It is an amenable number.

210747412 is a deficient number, since it is larger than the sum of its proper divisors (168028608).

210747412 is a wasteful number, since it uses less digits than its factorization.

210747412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424010 (or 1424008 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 210747412 is about 14517.1420052295. The cubic root of 210747412 is about 595.0965283685.

The spelling of 210747412 in words is "two hundred ten million, seven hundred forty-seven thousand, four hundred twelve".