12122122049 has 2 divisors, whose sum is σ = 12122122050. Its totient is φ = 12122122048.

The previous prime is 12122121989. The next prime is 12122122081. The reversal of 12122122049 is 94022122121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7313670400 + 4808451649 = 85520^2 + 69343^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122122049 - 2⁸ = 12122121793 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122125049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061061024 + 6061061025.

It is an arithmetic number, because the mean of its divisors is an integer number (6061061025).

Almost surely, 2^12122122049 is an apocalyptic number.

It is an amenable number.

12122122049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122122049 is an equidigital number, since it uses as much as digits as its factorization.

12122122049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 12122122049 in words is "twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, forty-nine".