12351013249 has 2 divisors, whose sum is σ = 12351013250. Its totient is φ = 12351013248.

The previous prime is 12351013237. The next prime is 12351013277. The reversal of 12351013249 is 94231015321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6821603649 + 5529409600 = 82593^2 + 74360^2 .

It is an emirp because it is prime and its reverse (94231015321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12351013249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12351013249.

It is not a weakly prime, because it can be changed into another prime (12351023249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6175506624 + 6175506625.

It is an arithmetic number, because the mean of its divisors is an integer number (6175506625).

Almost surely, 2^12351013249 is an apocalyptic number.

It is an amenable number.

12351013249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12351013249 is an equidigital number, since it uses as much as digits as its factorization.

12351013249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 12351013249 in words is "twelve billion, three hundred fifty-one million, thirteen thousand, two hundred forty-nine".