3123121313122 has 8 divisors (see below), whose sum is σ = 4684708242000. Its totient is φ = 1561551899124.

The previous prime is 3123121313087. The next prime is 3123121313129. The reversal of 3123121313122 is 2213131213213.

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

It is not an unprimeable number, because it can be changed into a prime (3123121313129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3923472 + ... + 4651867.

It is an arithmetic number, because the mean of its divisors is an integer number (585588530250).

Almost surely, 2^{3123121313122} is an apocalyptic number.

3123121313122 is a deficient number, since it is larger than the sum of its proper divisors (1561586928878).

3123121313122 is a wasteful number, since it uses less digits than its factorization.

3123121313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757440.

The product of its digits is 1296, while the sum is 25.

Adding to 3123121313122 its reverse (2213131213213), we get a palindrome (5336252526335).

Subtracting from 3123121313122 its reverse (2213131213213), we obtain a palindrome (909990099909).

The spelling of 3123121313122 in words is "three trillion, one hundred twenty-three billion, one hundred twenty-one million, three hundred thirteen thousand, one hundred twenty-two".