12227239133 has 2 divisors, whose sum is σ = 12227239134. Its totient is φ = 12227239132.

The previous prime is 12227239099. The next prime is 12227239153. The reversal of 12227239133 is 33193272221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8557545049 + 3669694084 = 92507^2 + 60578^2 .

It is a cyclic number.

It is not a de Polignac number, because 12227239133 - 2¹² = 12227235037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12227239093 and 12227239102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12227239153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6113619566 + 6113619567.

It is an arithmetic number, because the mean of its divisors is an integer number (6113619567).

Almost surely, 2^12227239133 is an apocalyptic number.

It is an amenable number.

12227239133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12227239133 is an equidigital number, since it uses as much as digits as its factorization.

12227239133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The spelling of 12227239133 in words is "twelve billion, two hundred twenty-seven million, two hundred thirty-nine thousand, one hundred thirty-three".