12420225089 has 2 divisors, whose sum is σ = 12420225090. Its totient is φ = 12420225088.

The previous prime is 12420225053. The next prime is 12420225133. The reversal of 12420225089 is 98052202421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6852528400 + 5567696689 = 82780^2 + 74617^2 .

It is a cyclic number.

It is not a de Polignac number, because 12420225089 - 2²⁰ = 12419176513 is a prime.

It is a super-2 number, since 2×12420225089² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12420225019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210112544 + 6210112545.

It is an arithmetic number, because the mean of its divisors is an integer number (6210112545).

Almost surely, 2^12420225089 is an apocalyptic number.

It is an amenable number.

12420225089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12420225089 is an equidigital number, since it uses as much as digits as its factorization.

12420225089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 12420225089 in words is "twelve billion, four hundred twenty million, two hundred twenty-five thousand, eighty-nine".