202012222122012 has 48 divisors (see below), whose sum is σ = 504304310652800. Its totient is φ = 62747540948160.

The previous prime is 202012222121981. The next prime is 202012222122019. The reversal of 202012222122012 is 210221222210202.

It is a super-2 number, since 2×202012222122012² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202012222122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012222122019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7262432962 + ... + 7262460777.

Almost surely, 2^{202012222122012} is an apocalyptic number.

It is an amenable number.

202012222122012 is an abundant number, since it is smaller than the sum of its proper divisors (302292088530788).

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

202012222122012 is a wasteful number, since it uses less digits than its factorization.

202012222122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14524893826 (or 14524893824 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202012222122012 its reverse (210221222210202), we get a palindrome (412233444332214).

The spelling of 202012222122012 in words is "two hundred two trillion, twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, twelve".