12102023149 has 2 divisors, whose sum is σ = 12102023150. Its totient is φ = 12102023148.

The previous prime is 12102023117. The next prime is 12102023237. The reversal of 12102023149 is 94132020121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12092301225 + 9721924 = 109965^2 + 3118^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102023149 - 2⁵ = 12102023117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12102023449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051011574 + 6051011575.

It is an arithmetic number, because the mean of its divisors is an integer number (6051011575).

Almost surely, 2^12102023149 is an apocalyptic number.

It is an amenable number.

12102023149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102023149 is an equidigital number, since it uses as much as digits as its factorization.

12102023149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 12102023149 in words is "twelve billion, one hundred two million, twenty-three thousand, one hundred forty-nine".