121313044122343 has 4 divisors (see below), whose sum is σ = 122676112033920. Its totient is φ = 119949976210768.

The previous prime is 121313044122341. The next prime is 121313044122401. The reversal of 121313044122343 is 343221440313121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121313044122343 - 2¹ = 121313044122341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121313044122299 and 121313044122308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121313044122341) 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, 681533955655 + ... + 681533955832.

It is an arithmetic number, because the mean of its divisors is an integer number (30669028008480).

Almost surely, 2^{121313044122343} is an apocalyptic number.

121313044122343 is a deficient number, since it is larger than the sum of its proper divisors (1363067911577).

121313044122343 is an equidigital number, since it uses as much as digits as its factorization.

121313044122343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363067911576.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 121313044122343 its reverse (343221440313121), we get a palindrome (464534484435464).

The spelling of 121313044122343 in words is "one hundred twenty-one trillion, three hundred thirteen billion, forty-four million, one hundred twenty-two thousand, three hundred forty-three".