12123131313122 has 8 divisors (see below), whose sum is σ = 18354647408976. Its totient is φ = 6004915510132.

The previous prime is 12123131313091. The next prime is 12123131313127. The reversal of 12123131313122 is 22131313132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12123131313091 and 12123131313100.

It is not an unprimeable number, because it can be changed into a prime (12123131313127) 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, 28325072948 + ... + 28325073375.

It is an arithmetic number, because the mean of its divisors is an integer number (2294330926122).

Almost surely, 2^{12123131313122} is an apocalyptic number.

12123131313122 is a deficient number, since it is larger than the sum of its proper divisors (6231516095854).

12123131313122 is a wasteful number, since it uses less digits than its factorization.

12123131313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56650146432.

The product of its digits is 1296, while the sum is 26.

Adding to 12123131313122 its reverse (22131313132121), we get a palindrome (34254444445243).

The spelling of 12123131313122 in words is "twelve trillion, one hundred twenty-three billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-two".