12010021021120 has 56 divisors (see below), whose sum is σ = 28660631511744. Its totient is φ = 4793632521216.

The previous prime is 12010021021093. The next prime is 12010021021147. The reversal of 12010021021120 is 2112012001021.

It is an interprime number because it is at equal distance from previous prime (12010021021093) and next prime (12010021021147).

It is a self number, because there is not a number n which added to its sum of digits gives 12010021021120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40382419 + ... + 40678738.

Almost surely, 2^{12010021021120} is an apocalyptic number.

12010021021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010021021120 is an abundant number, since it is smaller than the sum of its proper divisors (16650610490624).

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

12010021021120 is an equidigital number, since it uses as much as digits as its factorization.

12010021021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81061637 (or 81061627 counting only the distinct ones).

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

Adding to 12010021021120 its reverse (2112012001021), we get a palindrome (14122033022141).

The spelling of 12010021021120 in words is "twelve trillion, ten billion, twenty-one million, twenty-one thousand, one hundred twenty".