12148535507 has 2 divisors, whose sum is σ = 12148535508. Its totient is φ = 12148535506.

The previous prime is 12148535467. The next prime is 12148535537. The reversal of 12148535507 is 70553584121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12148535507 - 2³² = 7853568211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12148535537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6074267753 + 6074267754.

It is an arithmetic number, because the mean of its divisors is an integer number (6074267754).

Almost surely, 2^12148535507 is an apocalyptic number.

12148535507 is a deficient number, since it is larger than the sum of its proper divisors (1).

12148535507 is an equidigital number, since it uses as much as digits as its factorization.

12148535507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 12148535507 in words is "twelve billion, one hundred forty-eight million, five hundred thirty-five thousand, five hundred seven".