12122125049 has 2 divisors, whose sum is σ = 12122125050. Its totient is φ = 12122125048.

The previous prime is 12122125027. The next prime is 12122125061. The reversal of 12122125049 is 94052122121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7927231225 + 4194893824 = 89035^2 + 64768^2 .

It is an emirp because it is prime and its reverse (94052122121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122125049 - 2¹⁶ = 12122059513 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122122049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061062524 + 6061062525.

It is an arithmetic number, because the mean of its divisors is an integer number (6061062525).

Almost surely, 2^12122125049 is an apocalyptic number.

It is an amenable number.

12122125049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122125049 is an equidigital number, since it uses as much as digits as its factorization.

12122125049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 12122125049 in words is "twelve billion, one hundred twenty-two million, one hundred twenty-five thousand, forty-nine".