202021011412 has 48 divisors (see below), whose sum is σ = 387410752512. Its totient is φ = 91415443680.

The previous prime is 202021011397. The next prime is 202021011421. The reversal of 202021011412 is 214110120202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13976373 + ... + 13990819.

It is an arithmetic number, because the mean of its divisors is an integer number (8071057344).

Almost surely, 2^202021011412 is an apocalyptic number.

202021011412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202021011412 is a deficient number, since it is larger than the sum of its proper divisors (185389741100).

202021011412 is a wasteful number, since it uses less digits than its factorization.

202021011412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15868 (or 15866 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202021011412 its reverse (214110120202), we get a palindrome (416131131614).

The spelling of 202021011412 in words is "two hundred two billion, twenty-one million, eleven thousand, four hundred twelve".