12901226089 has 2 divisors, whose sum is σ = 12901226090. Its totient is φ = 12901226088.

The previous prime is 12901226003. The next prime is 12901226111. The reversal of 12901226089 is 98062210921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11635289689 + 1265936400 = 107867^2 + 35580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12901226089 is a prime.

It is not a weakly prime, because it can be changed into another prime (12901220089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6450613044 + 6450613045.

It is an arithmetic number, because the mean of its divisors is an integer number (6450613045).

Almost surely, 2^12901226089 is an apocalyptic number.

It is an amenable number.

12901226089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12901226089 is an equidigital number, since it uses as much as digits as its factorization.

12901226089 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 40.

The spelling of 12901226089 in words is "twelve billion, nine hundred one million, two hundred twenty-six thousand, eighty-nine".