12152235317 has 2 divisors, whose sum is σ = 12152235318. Its totient is φ = 12152235316.

The previous prime is 12152235281. The next prime is 12152235343. The reversal of 12152235317 is 71353225121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11047271236 + 1104964081 = 105106^2 + 33241^2 .

It is an emirp because it is prime and its reverse (71353225121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12152235317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12152235377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076117658 + 6076117659.

It is an arithmetic number, because the mean of its divisors is an integer number (6076117659).

Almost surely, 2^12152235317 is an apocalyptic number.

It is an amenable number.

12152235317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12152235317 is an equidigital number, since it uses as much as digits as its factorization.

12152235317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The spelling of 12152235317 in words is "twelve billion, one hundred fifty-two million, two hundred thirty-five thousand, three hundred seventeen".