202020202201212 has 48 divisors (see below), whose sum is σ = 524349235271680. Its totient is φ = 67263804551664.

The previous prime is 202020202201199. The next prime is 202020202201229. The reversal of 202020202201212 is 212102202020202.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1059110428 + ... + 1059301155.

Almost surely, 2^{202020202201212} is an apocalyptic number.

It is an amenable number.

202020202201212 is an abundant number, since it is smaller than the sum of its proper divisors (322329033070468).

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

202020202201212 is a wasteful number, since it uses less digits than its factorization.

202020202201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118412479 (or 2118412471 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202020202201212 its reverse (212102202020202), we get a palindrome (414122404221414).

The spelling of 202020202201212 in words is "two hundred two trillion, twenty billion, two hundred two million, two hundred one thousand, two hundred twelve".