12102313312122 has 48 divisors (see below), whose sum is σ = 28170090518976. Its totient is φ = 3451640156800.

The previous prime is 12102313312121. The next prime is 12102313312151. The reversal of 12102313312122 is 22121331320121.

It is a junction number, because it is equal to n+sod(n) for n = 12102313312092 and 12102313312101.

It is not an unprimeable number, because it can be changed into a prime (12102313312121) 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, 490277454 + ... + 490302137.

It is an arithmetic number, because the mean of its divisors is an integer number (586876885812).

Almost surely, 2^{12102313312122} is an apocalyptic number.

12102313312122 is an abundant number, since it is smaller than the sum of its proper divisors (16067777206854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12102313312122 is a wasteful number, since it uses less digits than its factorization.

12102313312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980579635 (or 980579624 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12102313312122 its reverse (22121331320121), we get a palindrome (34223644632243).

The spelling of 12102313312122 in words is "twelve trillion, one hundred two billion, three hundred thirteen million, three hundred twelve thousand, one hundred twenty-two".