12330947537 has 2 divisors, whose sum is σ = 12330947538. Its totient is φ = 12330947536.

The previous prime is 12330947533. The next prime is 12330947543. The reversal of 12330947537 is 73574903321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11807864896 + 523082641 = 108664^2 + 22871^2 .

It is a cyclic number.

It is not a de Polignac number, because 12330947537 - 2² = 12330947533 is a prime.

It is not a weakly prime, because it can be changed into another prime (12330947533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165473768 + 6165473769.

It is an arithmetic number, because the mean of its divisors is an integer number (6165473769).

Almost surely, 2^12330947537 is an apocalyptic number.

It is an amenable number.

12330947537 is a deficient number, since it is larger than the sum of its proper divisors (1).

12330947537 is an equidigital number, since it uses as much as digits as its factorization.

12330947537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 44.

The spelling of 12330947537 in words is "twelve billion, three hundred thirty million, nine hundred forty-seven thousand, five hundred thirty-seven".