202121201012 has 48 divisors (see below), whose sum is σ = 379179192000. Its totient is φ = 93984655104.

The previous prime is 202121200951. The next prime is 202121201027. The reversal of 202121201012 is 210102121202.

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, 3147368 + ... + 3210944.

It is an arithmetic number, because the mean of its divisors is an integer number (7899566500).

Almost surely, 2^202121201012 is an apocalyptic number.

It is an amenable number.

202121201012 is a deficient number, since it is larger than the sum of its proper divisors (177057990988).

202121201012 is a wasteful number, since it uses less digits than its factorization.

202121201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64368 (or 64366 counting only the distinct ones).

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

Adding to 202121201012 its reverse (210102121202), we get a palindrome (412223322214).

The spelling of 202121201012 in words is "two hundred two billion, one hundred twenty-one million, two hundred one thousand, twelve".