12100012997 has 2 divisors, whose sum is σ = 12100012998. Its totient is φ = 12100012996.

The previous prime is 12100012913. The next prime is 12100012999. The reversal of 12100012997 is 79921000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7710420481 + 4389592516 = 87809^2 + 66254^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100012997 - 2¹² = 12100008901 is a prime.

Together with 12100012999, 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 (12100012999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050006498 + 6050006499.

It is an arithmetic number, because the mean of its divisors is an integer number (6050006499).

Almost surely, 2^12100012997 is an apocalyptic number.

It is an amenable number.

12100012997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100012997 is an equidigital number, since it uses as much as digits as its factorization.

12100012997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 12100012997 in words is "twelve billion, one hundred million, twelve thousand, nine hundred ninety-seven".