20212002212 has 12 divisors (see below), whose sum is σ = 35550553500. Its totient is φ = 10054701216.

The previous prime is 20212002199. The next prime is 20212002227. The reversal of 20212002212 is 21220021202.

It can be written as a sum of positive squares in 2 ways, for example, as 14649229156 + 5562773056 = 121034^2 + 74584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12824087 + ... + 12825662.

It is an arithmetic number, because the mean of its divisors is an integer number (2962546125).

Almost surely, 2^20212002212 is an apocalyptic number.

It is an amenable number.

20212002212 is a deficient number, since it is larger than the sum of its proper divisors (15338551288).

20212002212 is a wasteful number, since it uses less digits than its factorization.

20212002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25649950 (or 25649948 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20212002212 its reverse (21220021202), we get a palindrome (41432023414).

The spelling of 20212002212 in words is "twenty billion, two hundred twelve million, two thousand, two hundred twelve".