12010112000021 has 8 divisors (see below), whose sum is σ = 12048863633688. Its totient is φ = 11971422720000.

The previous prime is 12010112000017. The next prime is 12010112000039. The reversal of 12010112000021 is 12000021101021.

It can be written as a sum of positive squares in 4 ways, for example, as 6528847735921 + 5481264264100 = 2555161^2 + 2341210^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12010112000021 - 2² = 12010112000017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010111999966 and 12010112000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010112000011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15202550 + ... + 15973031.

It is an arithmetic number, because the mean of its divisors is an integer number (1506107954211).

Almost surely, 2^{12010112000021} is an apocalyptic number.

It is an amenable number.

12010112000021 is a deficient number, since it is larger than the sum of its proper divisors (38751633667).

12010112000021 is an equidigital number, since it uses as much as digits as its factorization.

12010112000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31176823.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010112000021 its reverse (12000021101021), we get a palindrome (24010133101042).

The spelling of 12010112000021 in words is "twelve trillion, ten billion, one hundred twelve million, twenty-one", and thus it is an aban number.