20002122303212 has 24 divisors (see below), whose sum is σ = 41743559590656. Its totient is φ = 8199627776208.

The previous prime is 20002122303187. The next prime is 20002122303253. The reversal of 20002122303212 is 21230322120002.

It is a happy 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, 15529597418 + ... + 15529598705.

It is an arithmetic number, because the mean of its divisors is an integer number (1739314982944).

Almost surely, 2^{20002122303212} is an apocalyptic number.

It is an amenable number.

20002122303212 is an abundant number, since it is smaller than the sum of its proper divisors (21741437287444).

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

20002122303212 is a wasteful number, since it uses less digits than its factorization.

20002122303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31059196157 (or 31059196155 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20002122303212 its reverse (21230322120002), we get a palindrome (41232444423214).

The spelling of 20002122303212 in words is "twenty trillion, two billion, one hundred twenty-two million, three hundred three thousand, two hundred twelve".