12122265027 has 4 divisors (see below), whose sum is σ = 16163020040. Its totient is φ = 8081510016.

The previous prime is 12122264989. The next prime is 12122265037. The reversal of 12122265027 is 72056222121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12122265027 - 2⁸ = 12122264771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122264985 and 12122265003.

It is not an unprimeable number, because it can be changed into a prime (12122265037) 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, 2020377502 + ... + 2020377507.

It is an arithmetic number, because the mean of its divisors is an integer number (4040755010).

Almost surely, 2^12122265027 is an apocalyptic number.

12122265027 is a deficient number, since it is larger than the sum of its proper divisors (4040755013).

12122265027 is an equidigital number, since it uses as much as digits as its factorization.

12122265027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040755012.

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 12122265027 its reverse (72056222121), we get a palindrome (84178487148).

The spelling of 12122265027 in words is "twelve billion, one hundred twenty-two million, two hundred sixty-five thousand, twenty-seven".