12220022219609 has 2 divisors, whose sum is σ = 12220022219610. Its totient is φ = 12220022219608.

The previous prime is 12220022219593. The next prime is 12220022219617. The reversal of 12220022219609 is 90691222002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9559443667225 + 2660578552384 = 3091835^2 + 1631128^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220022219609 - 2⁴ = 12220022219593 is a prime.

It is a super-2 number, since 2×12220022219609² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12220022219809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110011109804 + 6110011109805.

It is an arithmetic number, because the mean of its divisors is an integer number (6110011109805).

Almost surely, 2^{12220022219609} is an apocalyptic number.

It is an amenable number.

12220022219609 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220022219609 is an equidigital number, since it uses as much as digits as its factorization.

12220022219609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 12220022219609 in words is "twelve trillion, two hundred twenty billion, twenty-two million, two hundred nineteen thousand, six hundred nine".