121313421034343 has 8 divisors (see below), whose sum is σ = 121421161176000. Its totient is φ = 121205685270528.

The previous prime is 121313421034321. The next prime is 121313421034363. The reversal of 121313421034343 is 343430124313121.

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

It is a cyclic number.

It is not a de Polignac number, because 121313421034343 - 2¹⁶ = 121313420968807 is a prime.

It is a super-2 number, since 2×121313421034343² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121313421034363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55657163 + ... + 57795731.

It is an arithmetic number, because the mean of its divisors is an integer number (15177645147000).

Almost surely, 2^{121313421034343} is an apocalyptic number.

121313421034343 is a deficient number, since it is larger than the sum of its proper divisors (107740141657).

121313421034343 is a wasteful number, since it uses less digits than its factorization.

121313421034343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188921.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 121313421034343 its reverse (343430124313121), we get a palindrome (464743545347464).

The spelling of 121313421034343 in words is "one hundred twenty-one trillion, three hundred thirteen billion, four hundred twenty-one million, thirty-four thousand, three hundred forty-three".