120113421209 has 4 divisors (see below), whose sum is σ = 126435180240. Its totient is φ = 113791662180.

The previous prime is 120113421193. The next prime is 120113421301. The reversal of 120113421209 is 902124311021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120113421209 - 2⁴ = 120113421193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120113421809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3160879487 + ... + 3160879524.

It is an arithmetic number, because the mean of its divisors is an integer number (31608795060).

Almost surely, 2^120113421209 is an apocalyptic number.

120113421209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

120113421209 is a deficient number, since it is larger than the sum of its proper divisors (6321759031).

120113421209 is an equidigital number, since it uses as much as digits as its factorization.

120113421209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321759030.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 120113421209 in words is "one hundred twenty billion, one hundred thirteen million, four hundred twenty-one thousand, two hundred nine".