12122004407 has 2 divisors, whose sum is σ = 12122004408. Its totient is φ = 12122004406.

The previous prime is 12122004403. The next prime is 12122004421. The reversal of 12122004407 is 70440022121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122004407 - 2² = 12122004403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122004403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061002203 + 6061002204.

It is an arithmetic number, because the mean of its divisors is an integer number (6061002204).

Almost surely, 2^12122004407 is an apocalyptic number.

12122004407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122004407 is an equidigital number, since it uses as much as digits as its factorization.

12122004407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 12122004407 its reverse (70440022121), we get a palindrome (82562026528).

The spelling of 12122004407 in words is "twelve billion, one hundred twenty-two million, four thousand, four hundred seven".