202022121222012 has 96 divisors (see below), whose sum is σ = 580174475776000. Its totient is φ = 53279789478912.

The previous prime is 202022121222007. The next prime is 202022121222041. The reversal of 202022121222012 is 210222121220202.

It is a super-2 number, since 2×202022121222012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 202022121222012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76327989 + ... + 78930387.

Almost surely, 2^{202022121222012} is an apocalyptic number.

It is an amenable number.

202022121222012 is an abundant number, since it is smaller than the sum of its proper divisors (378152354553988).

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

202022121222012 is a wasteful number, since it uses less digits than its factorization.

202022121222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673515 (or 2673513 counting only the distinct ones).

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

Adding to 202022121222012 its reverse (210222121220202), we get a palindrome (412244242442214).

The spelling of 202022121222012 in words is "two hundred two trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, twelve".