12122223313 has 4 divisors (see below), whose sum is σ = 12242245428. Its totient is φ = 12002201200.

The previous prime is 12122223287. The next prime is 12122223331. The reversal of 12122223313 is 31332222121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8627994769 + 3494228544 = 92887^2 + 59112^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122223313 - 2¹³ = 12122215121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122223613) 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, 60010906 + ... + 60011107.

It is an arithmetic number, because the mean of its divisors is an integer number (3060561357).

Almost surely, 2^12122223313 is an apocalyptic number.

It is an amenable number.

12122223313 is a deficient number, since it is larger than the sum of its proper divisors (120022115).

12122223313 is a wasteful number, since it uses less digits than its factorization.

12122223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120022114.

The product of its digits is 864, while the sum is 22.

Adding to 12122223313 its reverse (31332222121), we get a palindrome (43454445434).

The spelling of 12122223313 in words is "twelve billion, one hundred twenty-two million, two hundred twenty-three thousand, three hundred thirteen".