10122322009 has 2 divisors, whose sum is σ = 10122322010. Its totient is φ = 10122322008.

The previous prime is 10122321977. The next prime is 10122322033. The reversal of 10122322009 is 90022322101.

10122322009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7144982784 + 2977339225 = 84528^2 + 54565^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122322009 - 2⁵ = 10122321977 is a prime.

It is a super-2 number, since 2×10122322009² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10122322039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061161004 + 5061161005.

It is an arithmetic number, because the mean of its divisors is an integer number (5061161005).

Almost surely, 2^10122322009 is an apocalyptic number.

It is an amenable number.

10122322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122322009 is an equidigital number, since it uses as much as digits as its factorization.

10122322009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 10122322009 in words is "ten billion, one hundred twenty-two million, three hundred twenty-two thousand, nine".