202121010020012 has 48 divisors (see below), whose sum is σ = 360057071996160. Its totient is φ = 99256832136000.

The previous prime is 202121010019993. The next prime is 202121010020047. The reversal of 202121010020012 is 210020010121202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170121062 + ... + 171305042.

It is an arithmetic number, because the mean of its divisors is an integer number (7501188999920).

Almost surely, 2^{202121010020012} is an apocalyptic number.

It is an amenable number.

202121010020012 is a deficient number, since it is larger than the sum of its proper divisors (157936061976148).

202121010020012 is a wasteful number, since it uses less digits than its factorization.

202121010020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185942 (or 1185940 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202121010020012 its reverse (210020010121202), we get a palindrome (412141020141214).

The spelling of 202121010020012 in words is "two hundred two trillion, one hundred twenty-one billion, ten million, twenty thousand, twelve".