12002020031976 has 128 divisors (see below), whose sum is σ = 33724978801920. Its totient is φ = 3531641186304.

The previous prime is 12002020031927. The next prime is 12002020031977. The reversal of 12002020031976 is 67913002020021.

It is not an unprimeable number, because it can be changed into a prime (12002020031977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35258526 + ... + 35597298.

It is an arithmetic number, because the mean of its divisors is an integer number (263476396890).

Almost surely, 2^{12002020031976} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12002020031976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16862489400960).

12002020031976 is an abundant number, since it is smaller than the sum of its proper divisors (21722958769944).

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

12002020031976 is a wasteful number, since it uses less digits than its factorization.

12002020031976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343755 (or 343751 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

Adding to 12002020031976 its reverse (67913002020021), we get a palindrome (79915022051997).

The spelling of 12002020031976 in words is "twelve trillion, two billion, twenty million, thirty-one thousand, nine hundred seventy-six".