21202002000012 has 24 divisors (see below), whose sum is σ = 52381416706416. Its totient is φ = 6651608470528.

The previous prime is 21202001999993. The next prime is 21202002000083. The reversal of 21202002000012 is 21000020020212.

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

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, 51965690973 + ... + 51965691380.

It is an arithmetic number, because the mean of its divisors is an integer number (2182559029434).

Almost surely, 2^{21202002000012} is an apocalyptic number.

It is an amenable number.

21202002000012 is an abundant number, since it is smaller than the sum of its proper divisors (31179414706404).

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

21202002000012 is a wasteful number, since it uses less digits than its factorization.

21202002000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103931382377 (or 103931382375 counting only the distinct ones).

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

Adding to 21202002000012 its reverse (21000020020212), we get a palindrome (42202022020224).

The spelling of 21202002000012 in words is "twenty-one trillion, two hundred two billion, two million, twelve", and thus it is an aban number.