12010103323721 has 2 divisors, whose sum is σ = 12010103323722. Its totient is φ = 12010103323720.

The previous prime is 12010103323681. The next prime is 12010103323739. The reversal of 12010103323721 is 12732330101021.

12010103323721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11917933399696 + 92169924025 = 3452236^2 + 303595^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010103323721 - 2³⁸ = 11735225416777 is a prime.

It is a super-2 number, since 2×12010103323721² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12010103323321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005051661860 + 6005051661861.

It is an arithmetic number, because the mean of its divisors is an integer number (6005051661861).

Almost surely, 2^{12010103323721} is an apocalyptic number.

It is an amenable number.

12010103323721 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010103323721 is an equidigital number, since it uses as much as digits as its factorization.

12010103323721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 12010103323721 its reverse (12732330101021), we get a palindrome (24742433424742).

The spelling of 12010103323721 in words is "twelve trillion, ten billion, one hundred three million, three hundred twenty-three thousand, seven hundred twenty-one".