12020020211982 has 64 divisors (see below), whose sum is σ = 25587608371200. Its totient is φ = 3756297387744.

The previous prime is 12020020211957. The next prime is 12020020211999. The reversal of 12020020211982 is 28911202002021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1426438 + ... + 5106345.

It is an arithmetic number, because the mean of its divisors is an integer number (399806380800).

Almost surely, 2^{12020020211982} is an apocalyptic number.

12020020211982 is an abundant number, since it is smaller than the sum of its proper divisors (13567588159218).

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

12020020211982 is a wasteful number, since it uses less digits than its factorization.

12020020211982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533077.

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 12020020211982 in words is "twelve trillion, twenty billion, twenty million, two hundred eleven thousand, nine hundred eighty-two".