121284730068 has 24 divisors (see below), whose sum is σ = 289900087680. Its totient is φ = 39442188480.

The previous prime is 121284730067. The next prime is 121284730087. The reversal of 121284730068 is 860037482121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121284730067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123256348 + ... + 123257331.

It is an arithmetic number, because the mean of its divisors is an integer number (12079170320).

Almost surely, 2^121284730068 is an apocalyptic number.

It is an amenable number.

121284730068 is an abundant number, since it is smaller than the sum of its proper divisors (168615357612).

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

121284730068 is a wasteful number, since it uses less digits than its factorization.

121284730068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246513727 (or 246513725 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 121284730068 in words is "one hundred twenty-one billion, two hundred eighty-four million, seven hundred thirty thousand, sixty-eight".