202021200012 has 12 divisors (see below), whose sum is σ = 471382800056. Its totient is φ = 67340400000.

The previous prime is 202021199999. The next prime is 202021200013. The reversal of 202021200012 is 210002120202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 16835100001 = 202021200012 / (2 + 0 + 2 + 0 + 2 + 1 + 2 + 0 + 0 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (202021200013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8417549989 + ... + 8417550012.

Almost surely, 2^202021200012 is an apocalyptic number.

It is an amenable number.

202021200012 is an abundant number, since it is smaller than the sum of its proper divisors (269361600044).

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

202021200012 is a wasteful number, since it uses less digits than its factorization.

202021200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16835100008 (or 16835100006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202021200012 its reverse (210002120202), we get a palindrome (412023320214).

The spelling of 202021200012 in words is "two hundred two billion, twenty-one million, two hundred thousand, twelve".