12122220313 has 16 divisors (see below), whose sum is σ = 14359968000. Its totient is φ = 10012387392.

The previous prime is 12122220263. The next prime is 12122220359. The reversal of 12122220313 is 31302222121.

It is a de Polignac number, because none of the positive numbers 2^k-12122220313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122221313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44668 + ... + 161986.

It is an arithmetic number, because the mean of its divisors is an integer number (897498000).

Almost surely, 2^12122220313 is an apocalyptic number.

It is an amenable number.

12122220313 is a deficient number, since it is larger than the sum of its proper divisors (2237747687).

12122220313 is a wasteful number, since it uses less digits than its factorization.

12122220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117864.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12122220313 its reverse (31302222121), we get a palindrome (43424442434).

The spelling of 12122220313 in words is "twelve billion, one hundred twenty-two million, two hundred twenty thousand, three hundred thirteen".