12125227 has 4 divisors (see below), whose sum is σ = 12291400. Its totient is φ = 11959056.

The previous prime is 12125207. The next prime is 12125231. The reversal of 12125227 is 72252121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72252121 = 61 ⋅1184461.

It is a cyclic number.

It is not a de Polignac number, because 12125227 - 2²³ = 3736619 is a prime.

It is a super-2 number, since 2×12125227² = 294042259603058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12125198 and 12125207.

It is not an unprimeable number, because it can be changed into a prime (12125207) 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, 82977 + ... + 83122.

It is an arithmetic number, because the mean of its divisors is an integer number (3072850).

Almost surely, 2^12125227 is an apocalyptic number.

12125227 is a deficient number, since it is larger than the sum of its proper divisors (166173).

12125227 is an equidigital number, since it uses as much as digits as its factorization.

12125227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166172.

The product of its digits is 560, while the sum is 22.

The square root of 12125227 is about 3482.1296644439. The cubic root of 12125227 is about 229.7364782744.

Adding to 12125227 its reverse (72252121), we get a palindrome (84377348).

The spelling of 12125227 in words is "twelve million, one hundred twenty-five thousand, two hundred twenty-seven".