12301020961 has 2 divisors, whose sum is σ = 12301020962. Its totient is φ = 12301020960.

The previous prime is 12301020947. The next prime is 12301021013. The reversal of 12301020961 is 16902010321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11392360225 + 908660736 = 106735^2 + 30144^2 .

It is a cyclic number.

It is not a de Polignac number, because 12301020961 - 2⁵ = 12301020929 is a prime.

It is a super-2 number, since 2×12301020961² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12301020911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150510480 + 6150510481.

It is an arithmetic number, because the mean of its divisors is an integer number (6150510481).

Almost surely, 2^12301020961 is an apocalyptic number.

It is an amenable number.

12301020961 is a deficient number, since it is larger than the sum of its proper divisors (1).

12301020961 is an equidigital number, since it uses as much as digits as its factorization.

12301020961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 12301020961 in words is "twelve billion, three hundred one million, twenty thousand, nine hundred sixty-one".