12521620763 has 2 divisors, whose sum is σ = 12521620764. Its totient is φ = 12521620762.

The previous prime is 12521620757. The next prime is 12521620801. The reversal of 12521620763 is 36702612521.

12521620763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12521620763 - 2⁴ = 12521620747 is a prime.

It is not a weakly prime, because it can be changed into another prime (12521620733) 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, 6260810381 + 6260810382.

It is an arithmetic number, because the mean of its divisors is an integer number (6260810382).

Almost surely, 2^12521620763 is an apocalyptic number.

12521620763 is a deficient number, since it is larger than the sum of its proper divisors (1).

12521620763 is an equidigital number, since it uses as much as digits as its factorization.

12521620763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 12521620763 in words is "twelve billion, five hundred twenty-one million, six hundred twenty thousand, seven hundred sixty-three".