12120898766 has 4 divisors (see below), whose sum is σ = 18181348152. Its totient is φ = 6060449382.

The previous prime is 12120898753. The next prime is 12120898771. The reversal of 12120898766 is 66789802121.

12120898766 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3030224690 + ... + 3030224693.

It is an arithmetic number, because the mean of its divisors is an integer number (4545337038).

Almost surely, 2^12120898766 is an apocalyptic number.

12120898766 is a deficient number, since it is larger than the sum of its proper divisors (6060449386).

12120898766 is an equidigital number, since it uses as much as digits as its factorization.

12120898766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060449385.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 12120898766 in words is "twelve billion, one hundred twenty million, eight hundred ninety-eight thousand, seven hundred sixty-six".