12533302961 has 2 divisors, whose sum is σ = 12533302962. Its totient is φ = 12533302960.

The previous prime is 12533302907. The next prime is 12533303017. The reversal of 12533302961 is 16920333521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11600367025 + 932935936 = 107705^2 + 30544^2 .

It is a cyclic number.

It is not a de Polignac number, because 12533302961 - 2⁶ = 12533302897 is a prime.

It is a super-2 number, since 2×12533302961² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12533302261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266651480 + 6266651481.

It is an arithmetic number, because the mean of its divisors is an integer number (6266651481).

Almost surely, 2^12533302961 is an apocalyptic number.

It is an amenable number.

12533302961 is a deficient number, since it is larger than the sum of its proper divisors (1).

12533302961 is an equidigital number, since it uses as much as digits as its factorization.

12533302961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 12533302961 in words is "twelve billion, five hundred thirty-three million, three hundred two thousand, nine hundred sixty-one".