12633062521 has 2 divisors, whose sum is σ = 12633062522. Its totient is φ = 12633062520.

The previous prime is 12633062503. The next prime is 12633062539. The reversal of 12633062521 is 12526033621.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12633062503) and next prime (12633062539).

It can be written as a sum of positive squares in only one way, i.e., 11883398121 + 749664400 = 109011^2 + 27380^2 .

It is a cyclic number.

It is not a de Polignac number, because 12633062521 - 2⁵ = 12633062489 is a prime.

It is not a weakly prime, because it can be changed into another prime (12633062821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316531260 + 6316531261.

It is an arithmetic number, because the mean of its divisors is an integer number (6316531261).

Almost surely, 2^12633062521 is an apocalyptic number.

It is an amenable number.

12633062521 is a deficient number, since it is larger than the sum of its proper divisors (1).

12633062521 is an equidigital number, since it uses as much as digits as its factorization.

12633062521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 12633062521 in words is "twelve billion, six hundred thirty-three million, sixty-two thousand, five hundred twenty-one".