121276550686 has 8 divisors (see below), whose sum is σ = 181921451040. Its totient is φ = 60636067008.

The previous prime is 121276550683. The next prime is 121276550701. The reversal of 121276550686 is 686055672121.

121276550686 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121276550683) 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, 1034646 + ... + 1145881.

It is an arithmetic number, because the mean of its divisors is an integer number (22740181380).

Almost surely, 2^121276550686 is an apocalyptic number.

121276550686 is a deficient number, since it is larger than the sum of its proper divisors (60644900354).

121276550686 is a wasteful number, since it uses less digits than its factorization.

121276550686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208338.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 121276550686 in words is "one hundred twenty-one billion, two hundred seventy-six million, five hundred fifty thousand, six hundred eighty-six".