22123122312007 has 2 divisors, whose sum is σ = 22123122312008. Its totient is φ = 22123122312006.

The previous prime is 22123122311987. The next prime is 22123122312073. The reversal of 22123122312007 is 70021322132122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22123122312007 - 2¹⁹ = 22123121787719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123122312077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061561156003 + 11061561156004.

It is an arithmetic number, because the mean of its divisors is an integer number (11061561156004).

Almost surely, 2^{22123122312007} is an apocalyptic number.

22123122312007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123122312007 is an equidigital number, since it uses as much as digits as its factorization.

22123122312007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 22123122312007 its reverse (70021322132122), we get a palindrome (92144444444129).

The spelling of 22123122312007 in words is "twenty-two trillion, one hundred twenty-three billion, one hundred twenty-two million, three hundred twelve thousand, seven".