121343310168 has 64 divisors (see below), whose sum is σ = 315245952000. Its totient is φ = 38880263040.

The previous prime is 121343310161. The next prime is 121343310169. The reversal of 121343310168 is 861013343121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121343310161) 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 15 ways as a sum of consecutive naturals, for example, 436446 + ... + 658157.

It is an arithmetic number, because the mean of its divisors is an integer number (4925718000).

Almost surely, 2^121343310168 is an apocalyptic number.

It is an amenable number.

121343310168 is an abundant number, since it is smaller than the sum of its proper divisors (193902641832).

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

121343310168 is a wasteful number, since it uses less digits than its factorization.

121343310168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094792 (or 1094788 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 121343310168 its reverse (861013343121), we get a palindrome (982356653289).

The spelling of 121343310168 in words is "one hundred twenty-one billion, three hundred forty-three million, three hundred ten thousand, one hundred sixty-eight".