12122201239 has 2 divisors, whose sum is σ = 12122201240. Its totient is φ = 12122201238.

The previous prime is 12122201213. The next prime is 12122201293. The reversal of 12122201239 is 93210222121.

Together with next prime (12122201293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122201239 - 2²³ = 12113812631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122201209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061100619 + 6061100620.

It is an arithmetic number, because the mean of its divisors is an integer number (6061100620).

Almost surely, 2^12122201239 is an apocalyptic number.

12122201239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122201239 is an equidigital number, since it uses as much as digits as its factorization.

12122201239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 12122201239 in words is "twelve billion, one hundred twenty-two million, two hundred one thousand, two hundred thirty-nine".