13227112501 has 2 divisors, whose sum is σ = 13227112502. Its totient is φ = 13227112500.

The previous prime is 13227112453. The next prime is 13227112511. The reversal of 13227112501 is 10521172231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12084604900 + 1142507601 = 109930^2 + 33801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13227112501 is a prime.

It is a super-2 number, since 2×13227112501² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13227112511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613556250 + 6613556251.

It is an arithmetic number, because the mean of its divisors is an integer number (6613556251).

Almost surely, 2^13227112501 is an apocalyptic number.

It is an amenable number.

13227112501 is a deficient number, since it is larger than the sum of its proper divisors (1).

13227112501 is an equidigital number, since it uses as much as digits as its factorization.

13227112501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 13227112501 its reverse (10521172231), we get a palindrome (23748284732).

The spelling of 13227112501 in words is "thirteen billion, two hundred twenty-seven million, one hundred twelve thousand, five hundred one".