12113222265 has 24 divisors (see below), whose sum is σ = 21135311808. Its totient is φ = 6417597600.

The previous prime is 12113222263. The next prime is 12113222293. The reversal of 12113222265 is 56222231121.

It is not a de Polignac number, because 12113222265 - 2¹ = 12113222263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12113222263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 884539 + ... + 898128.

It is an arithmetic number, because the mean of its divisors is an integer number (880637992).

Almost surely, 2^12113222265 is an apocalyptic number.

12113222265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12113222265 is a deficient number, since it is larger than the sum of its proper divisors (9022089543).

12113222265 is a wasteful number, since it uses less digits than its factorization.

12113222265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782829 (or 1782826 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 12113222265 its reverse (56222231121), we get a palindrome (68335453386).

The spelling of 12113222265 in words is "twelve billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred sixty-five".