210020022012 has 24 divisors (see below), whose sum is σ = 491719240656. Its totient is φ = 69767742208.

The previous prime is 210020021983. The next prime is 210020022053. The reversal of 210020022012 is 210220020012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 29862813 + ... + 29869844.

It is an arithmetic number, because the mean of its divisors is an integer number (20488301694).

Almost surely, 2^210020022012 is an apocalyptic number.

It is an amenable number.

210020022012 is an abundant number, since it is smaller than the sum of its proper divisors (281699218644).

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

210020022012 is a wasteful number, since it uses less digits than its factorization.

210020022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59732957 (or 59732955 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210020022012 its reverse (210220020012), we get a palindrome (420240042024).

It can be divided in two parts, 2100200 and 22012, that added together give a palindrome (2122212).

The spelling of 210020022012 in words is "two hundred ten billion, twenty million, twenty-two thousand, twelve".