12074655991 has 2 divisors, whose sum is σ = 12074655992. Its totient is φ = 12074655990.

The previous prime is 12074655917. The next prime is 12074655997. The reversal of 12074655991 is 19955647021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12074655991 - 2⁷ = 12074655863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12074655997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6037327995 + 6037327996.

It is an arithmetic number, because the mean of its divisors is an integer number (6037327996).

Almost surely, 2^12074655991 is an apocalyptic number.

12074655991 is a deficient number, since it is larger than the sum of its proper divisors (1).

12074655991 is an equidigital number, since it uses as much as digits as its factorization.

12074655991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 12074655991 in words is "twelve billion, seventy-four million, six hundred fifty-five thousand, nine hundred ninety-one".