210213312012 has 36 divisors (see below), whose sum is σ = 579679134216. Its totient is φ = 63701003520.

The previous prime is 210213311981. The next prime is 210213312019.

210213312012 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (210213312019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265420453 + ... + 265421244.

Almost surely, 2^210213312012 is an apocalyptic number.

210213312012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210213312012 is an abundant number, since it is smaller than the sum of its proper divisors (369465822204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210213312012 is a wasteful number, since it uses less digits than its factorization.

210213312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530841718 (or 530841713 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

It can be divided in two parts, 210213 and 312012, that added together give a palindrome (522225).

The spelling of 210213312012 in words is "two hundred ten billion, two hundred thirteen million, three hundred twelve thousand, twelve".