12010661651 has 2 divisors, whose sum is σ = 12010661652. Its totient is φ = 12010661650.

The previous prime is 12010661639. The next prime is 12010661657. The reversal of 12010661651 is 15616601021.

12010661651 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 is a cyclic number.

It is not a de Polignac number, because 12010661651 - 2¹⁴ = 12010645267 is a prime.

It is not a weakly prime, because it can be changed into another prime (12010661657) 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 as a sum of consecutive naturals, namely, 6005330825 + 6005330826.

It is an arithmetic number, because the mean of its divisors is an integer number (6005330826).

Almost surely, 2^12010661651 is an apocalyptic number.

12010661651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010661651 is an equidigital number, since it uses as much as digits as its factorization.

12010661651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 12010661651 in words is "twelve billion, ten million, six hundred sixty-one thousand, six hundred fifty-one".