202021202222012 has 24 divisors (see below), whose sum is σ = 353653876710960. Its totient is φ = 100977238471680.

The previous prime is 202021202221999. The next prime is 202021202222023. The reversal of 202021202222012 is 210222202120202.

It is a super-2 number, since 2×202021202222012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475648348 + ... + 1475785244.

It is an arithmetic number, because the mean of its divisors is an integer number (14735578196290).

Almost surely, 2^{202021202222012} is an apocalyptic number.

It is an amenable number.

202021202222012 is a deficient number, since it is larger than the sum of its proper divisors (151632674488948).

202021202222012 is a wasteful number, since it uses less digits than its factorization.

202021202222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256061 (or 256059 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202021202222012 its reverse (210222202120202), we get a palindrome (412243404342214).

The spelling of 202021202222012 in words is "two hundred two trillion, twenty-one billion, two hundred two million, two hundred twenty-two thousand, twelve".