13231212227 has 2 divisors, whose sum is σ = 13231212228. Its totient is φ = 13231212226.

The previous prime is 13231212199. The next prime is 13231212233. The reversal of 13231212227 is 72221213231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13231212227 - 2⁸ = 13231211971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13231212196 and 13231212205.

It is not a weakly prime, because it can be changed into another prime (13231212257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615606113 + 6615606114.

It is an arithmetic number, because the mean of its divisors is an integer number (6615606114).

Almost surely, 2^13231212227 is an apocalyptic number.

13231212227 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231212227 is an equidigital number, since it uses as much as digits as its factorization.

13231212227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

Adding to 13231212227 its reverse (72221213231), we get a palindrome (85452425458).

The spelling of 13231212227 in words is "thirteen billion, two hundred thirty-one million, two hundred twelve thousand, two hundred twenty-seven".