121194665760 has 96 divisors (see below), whose sum is σ = 436300808832. Its totient is φ = 27701637120.

The previous prime is 121194665741. The next prime is 121194665797. The reversal of 121194665760 is 67566491121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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, 18031561 + ... + 18038280.

It is an arithmetic number, because the mean of its divisors is an integer number (4544800092).

Almost surely, 2^121194665760 is an apocalyptic number.

121194665760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121194665760 is an abundant number, since it is smaller than the sum of its proper divisors (315106143072).

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

121194665760 is a wasteful number, since it uses less digits than its factorization.

121194665760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36069866 (or 36069858 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 121194665760 in words is "one hundred twenty-one billion, one hundred ninety-four million, six hundred sixty-five thousand, seven hundred sixty".