12227526797 has 2 divisors, whose sum is σ = 12227526798. Its totient is φ = 12227526796.

The previous prime is 12227526793. The next prime is 12227526821. The reversal of 12227526797 is 79762572221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10573803241 + 1653723556 = 102829^2 + 40666^2 .

It is a cyclic number.

It is not a de Polignac number, because 12227526797 - 2² = 12227526793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12227526793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6113763398 + 6113763399.

It is an arithmetic number, because the mean of its divisors is an integer number (6113763399).

Almost surely, 2^12227526797 is an apocalyptic number.

It is an amenable number.

12227526797 is a deficient number, since it is larger than the sum of its proper divisors (1).

12227526797 is an equidigital number, since it uses as much as digits as its factorization.

12227526797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 50.

The spelling of 12227526797 in words is "twelve billion, two hundred twenty-seven million, five hundred twenty-six thousand, seven hundred ninety-seven".