12152140997 has 2 divisors, whose sum is σ = 12152140998. Its totient is φ = 12152140996.

The previous prime is 12152140967. The next prime is 12152140999. The reversal of 12152140997 is 79904125121.

It is a happy number.

12152140997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6903283396 + 5248857601 = 83086^2 + 72449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12152140997 is a prime.

Together with 12152140999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12152140999) 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, 6076070498 + 6076070499.

It is an arithmetic number, because the mean of its divisors is an integer number (6076070499).

Almost surely, 2^12152140997 is an apocalyptic number.

It is an amenable number.

12152140997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12152140997 is an equidigital number, since it uses as much as digits as its factorization.

12152140997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 12152140997 in words is "twelve billion, one hundred fifty-two million, one hundred forty thousand, nine hundred ninety-seven".