12010222109 has 2 divisors, whose sum is σ = 12010222110. Its totient is φ = 12010222108.

The previous prime is 12010222079. The next prime is 12010222117. The reversal of 12010222109 is 90122201021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11665080025 + 345142084 = 108005^2 + 18578^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010222109 - 2¹² = 12010218013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010222909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005111054 + 6005111055.

It is an arithmetic number, because the mean of its divisors is an integer number (6005111055).

Almost surely, 2^12010222109 is an apocalyptic number.

It is an amenable number.

12010222109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010222109 is an equidigital number, since it uses as much as digits as its factorization.

12010222109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12010222109 in words is "twelve billion, ten million, two hundred twenty-two thousand, one hundred nine".