202012121221984 has 48 divisors (see below), whose sum is σ = 412535266233552. Its totient is φ = 97305615525888.

The previous prime is 202012121221957. The next prime is 202012121221991. The reversal of 202012121221984 is 489122121210202.

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, 1005455269 + ... + 1005656164.

It is an arithmetic number, because the mean of its divisors is an integer number (8594484713199).

Almost surely, 2^{202012121221984} is an apocalyptic number.

It is an amenable number.

202012121221984 is an abundant number, since it is smaller than the sum of its proper divisors (210523145011568).

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

202012121221984 is a wasteful number, since it uses less digits than its factorization.

202012121221984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011111559 (or 2011111551 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 202012121221984 in words is "two hundred two trillion, twelve billion, one hundred twenty-one million, two hundred twenty-one thousand, nine hundred eighty-four".