12122651 has 2 divisors, whose sum is σ = 12122652. Its totient is φ = 12122650.

The previous prime is 12122647. The next prime is 12122657. The reversal of 12122651 is 15622121.

12122651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122651 - 2² = 12122647 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12122657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061325 + 6061326.

It is an arithmetic number, because the mean of its divisors is an integer number (6061326).

Almost surely, 2^12122651 is an apocalyptic number.

12122651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122651 is an equidigital number, since it uses as much as digits as its factorization.

12122651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 20.

The square root of 12122651 is about 3481.7597562152. The cubic root of 12122651 is about 229.7202079788.

Adding to 12122651 its reverse (15622121), we get a palindrome (27744772).

The spelling of 12122651 in words is "twelve million, one hundred twenty-two thousand, six hundred fifty-one".