210449012 has 6 divisors (see below), whose sum is σ = 368285778. Its totient is φ = 105224504.

The previous prime is 210448981. The next prime is 210449017. The reversal of 210449012 is 210944012.

It can be written as a sum of positive squares in only one way, i.e., 204318436 + 6130576 = 14294^2 + 2476^2 .

It is a super-2 number, since 2×210449012² = 88577573303552288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210449017) 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 as a sum of consecutive naturals, namely, 26306123 + ... + 26306130.

It is an arithmetic number, because the mean of its divisors is an integer number (61380963).

Almost surely, 2^210449012 is an apocalyptic number.

It is an amenable number.

210449012 is a deficient number, since it is larger than the sum of its proper divisors (157836766).

210449012 is a wasteful number, since it uses less digits than its factorization.

210449012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52612257 (or 52612255 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 210449012 is about 14506.8608596071. The cubic root of 210449012 is about 594.8155273992.

The spelling of 210449012 in words is "two hundred ten million, four hundred forty-nine thousand, twelve".