12020020219992 has 32 divisors (see below), whose sum is σ = 30056142484080. Its totient is φ = 4005861148800.

The previous prime is 12020020219939. The next prime is 12020020219993. The reversal of 12020020219992 is 29991202002021.

It is a self number, because there is not a number n which added to its sum of digits gives 12020020219992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020020219993) 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 7 ways as a sum of consecutive naturals, for example, 50645259 + ... + 50882042.

Almost surely, 2^{12020020219992} is an apocalyptic number.

12020020219992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020020219992 is an abundant number, since it is smaller than the sum of its proper divisors (18036122264088).

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

12020020219992 is a wasteful number, since it uses less digits than its factorization.

12020020219992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101532243 (or 101532239 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 12020020219992 in words is "twelve trillion, twenty billion, twenty million, two hundred nineteen thousand, nine hundred ninety-two".