12693252227 has 4 divisors (see below), whose sum is σ = 13036313136. Its totient is φ = 12350191320.

The previous prime is 12693252211. The next prime is 12693252289. The reversal of 12693252227 is 72225239621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72225239621 = 4013 ⋅17997817.

It is a cyclic number.

It is not a de Polignac number, because 12693252227 - 2⁴ = 12693252211 is a prime.

It is a super-2 number, since 2×12693252227² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12693252127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171530399 + ... + 171530472.

It is an arithmetic number, because the mean of its divisors is an integer number (3259078284).

Almost surely, 2^12693252227 is an apocalyptic number.

12693252227 is a deficient number, since it is larger than the sum of its proper divisors (343060909).

12693252227 is an equidigital number, since it uses as much as digits as its factorization.

12693252227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343060908.

The product of its digits is 181440, while the sum is 41.

The spelling of 12693252227 in words is "twelve billion, six hundred ninety-three million, two hundred fifty-two thousand, two hundred twenty-seven".