210020011012 has 24 divisors (see below), whose sum is σ = 420056189504. Its totient is φ = 90005111712.

The previous prime is 210020010989. The next prime is 210020011027. The reversal of 210020011012 is 210110020012.

It is a self number, because there is not a number n which added to its sum of digits gives 210020011012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678358 + ... + 938194.

Almost surely, 2^210020011012 is an apocalyptic number.

It is an amenable number.

210020011012 is an abundant number, since it is smaller than the sum of its proper divisors (210036178492).

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

210020011012 is a wasteful number, since it uses less digits than its factorization.

210020011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288715 (or 288713 counting only the distinct ones).

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

Adding to 210020011012 its reverse (210110020012), we get a palindrome (420130031024).

The spelling of 210020011012 in words is "two hundred ten billion, twenty million, eleven thousand, twelve".