12129074467 has 2 divisors, whose sum is σ = 12129074468. Its totient is φ = 12129074466.

The previous prime is 12129074443. The next prime is 12129074483. The reversal of 12129074467 is 76447092121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12129074467 - 2²³ = 12120685859 is a prime.

It is a super-2 number, since 2×12129074467² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12129074417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6064537233 + 6064537234.

It is an arithmetic number, because the mean of its divisors is an integer number (6064537234).

Almost surely, 2^12129074467 is an apocalyptic number.

12129074467 is a deficient number, since it is larger than the sum of its proper divisors (1).

12129074467 is an equidigital number, since it uses as much as digits as its factorization.

12129074467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 12129074467 in words is "twelve billion, one hundred twenty-nine million, seventy-four thousand, four hundred sixty-seven".