121775230000 has 50 divisors (see below), whose sum is σ = 294830033564. Its totient is φ = 48710088000.

The previous prime is 121775229977. The next prime is 121775230081. The reversal of 121775230000 is 32577121.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 6078762 + ... + 6098761.

Almost surely, 2^121775230000 is an apocalyptic number.

121775230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121775230000 is an abundant number, since it is smaller than the sum of its proper divisors (173054803564).

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

121775230000 is an equidigital number, since it uses as much as digits as its factorization.

121775230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12177551 (or 12177530 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The spelling of 121775230000 in words is "one hundred twenty-one billion, seven hundred seventy-five million, two hundred thirty thousand".