210211012 has 12 divisors (see below), whose sum is σ = 401312016. Its totient is φ = 95550440.

The previous prime is 210211009. The next prime is 210211013. The reversal of 210211012 is 210112012.

It is a self number, because there is not a number n which added to its sum of digits gives 210211012.

It is not an unprimeable number, because it can be changed into a prime (210211013) by changing a digit.

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, 2388718 + ... + 2388805.

It is an arithmetic number, because the mean of its divisors is an integer number (33442668).

Almost surely, 2^210211012 is an apocalyptic number.

210211012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210211012 is a deficient number, since it is larger than the sum of its proper divisors (191101004).

210211012 is a wasteful number, since it uses less digits than its factorization.

210211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777538 (or 4777536 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 210211012 is about 14498.6555238753. The cubic root of 210211012 is about 594.5912141651.

Adding to 210211012 its reverse (210112012), we get a palindrome (420323024).

The spelling of 210211012 in words is "two hundred ten million, two hundred eleven thousand, twelve".