2122123307 has 2 divisors, whose sum is σ = 2122123308. Its totient is φ = 2122123306.

The previous prime is 2122123291. The next prime is 2122123337. The reversal of 2122123307 is 7033212212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122123307 - 2⁴ = 2122123291 is a prime.

It is a super-2 number, since 2×2122123307² = 9006814660225232498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2122123337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061061653 + 1061061654.

It is an arithmetic number, because the mean of its divisors is an integer number (1061061654).

Almost surely, 2^2122123307 is an apocalyptic number.

2122123307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122123307 is an equidigital number, since it uses as much as digits as its factorization.

2122123307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2122123307 is about 46066.5096029643. The cubic root of 2122123307 is about 1285.0603931302.

Adding to 2122123307 its reverse (7033212212), we get a palindrome (9155335519).

The spelling of 2122123307 in words is "two billion, one hundred twenty-two million, one hundred twenty-three thousand, three hundred seven".