12521044933 has 2 divisors, whose sum is σ = 12521044934. Its totient is φ = 12521044932.

The previous prime is 12521044873. The next prime is 12521044967. The reversal of 12521044933 is 33944012521.

It is an a-pointer prime, because the next prime (12521044967) can be obtained adding 12521044933 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11875986529 + 645058404 = 108977^2 + 25398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12521044933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12521044433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260522466 + 6260522467.

It is an arithmetic number, because the mean of its divisors is an integer number (6260522467).

Almost surely, 2^12521044933 is an apocalyptic number.

It is an amenable number.

12521044933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12521044933 is an equidigital number, since it uses as much as digits as its factorization.

12521044933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 12521044933 in words is "twelve billion, five hundred twenty-one million, forty-four thousand, nine hundred thirty-three".