12002021112 has 32 divisors (see below), whose sum is σ = 30366564480. Its totient is φ = 3952472160.

The previous prime is 12002021107. The next prime is 12002021117. The reversal of 12002021112 is 21112020021.

12002021112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12002021107) and next prime (12002021117).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002021117) 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, 3010564 + ... + 3014547.

It is an arithmetic number, because the mean of its divisors is an integer number (948955140).

Almost surely, 2^12002021112 is an apocalyptic number.

12002021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12002021112 is an abundant number, since it is smaller than the sum of its proper divisors (18364543368).

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

12002021112 is a wasteful number, since it uses less digits than its factorization.

12002021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025203 (or 6025199 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12002021112 its reverse (21112020021), we get a palindrome (33114041133).

The spelling of 12002021112 in words is "twelve billion, two million, twenty-one thousand, one hundred twelve".