12012122099 has 2 divisors, whose sum is σ = 12012122100. Its totient is φ = 12012122098.

The previous prime is 12012122029. The next prime is 12012122147. The reversal of 12012122099 is 99022121021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012122099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12012122009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006061049 + 6006061050.

It is an arithmetic number, because the mean of its divisors is an integer number (6006061050).

Almost surely, 2^12012122099 is an apocalyptic number.

12012122099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012122099 is an equidigital number, since it uses as much as digits as its factorization.

12012122099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 12012122099 in words is "twelve billion, twelve million, one hundred twenty-two thousand, ninety-nine".