12010021112020 has 12 divisors (see below), whose sum is σ = 25221044335284. Its totient is φ = 4804008444800.

The previous prime is 12010021112017. The next prime is 12010021112051. The reversal of 12010021112020 is 2021112001021.

It can be written as a sum of positive squares in 2 ways, for example, as 4169584305936 + 7840436806084 = 2041956^2 + 2800078^2 .

It is a super-2 number, since 2×12010021112020² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300250527781 + ... + 300250527820.

It is an arithmetic number, because the mean of its divisors is an integer number (2101753694607).

Almost surely, 2^{12010021112020} is an apocalyptic number.

12010021112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010021112020 is an abundant number, since it is smaller than the sum of its proper divisors (13211023223264).

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

12010021112020 is a wasteful number, since it uses less digits than its factorization.

12010021112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600501055610 (or 600501055608 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010021112020 its reverse (2021112001021), we get a palindrome (14031133113041).

The spelling of 12010021112020 in words is "twelve trillion, ten billion, twenty-one million, one hundred twelve thousand, twenty".