20212102202012 has 48 divisors (see below), whose sum is σ = 40500696815040. Its totient is φ = 8645951619072.

The previous prime is 20212102201979. The next prime is 20212102202023. The reversal of 20212102202012 is 21020220121202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36263228 + ... + 36816380.

It is an arithmetic number, because the mean of its divisors is an integer number (843764516980).

Almost surely, 2^{20212102202012} is an apocalyptic number.

It is an amenable number.

20212102202012 is an abundant number, since it is smaller than the sum of its proper divisors (20288594613028).

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

20212102202012 is a wasteful number, since it uses less digits than its factorization.

20212102202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555630 (or 555628 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20212102202012 its reverse (21020220121202), we get a palindrome (41232322323214).

The spelling of 20212102202012 in words is "twenty trillion, two hundred twelve billion, one hundred two million, two hundred two thousand, twelve".