112122020121209 has 16 divisors (see below), whose sum is σ = 128280083596800. Its totient is φ = 95999119017984.

The previous prime is 112122020121103. The next prime is 112122020121239. The reversal of 112122020121209 is 902121020221211.

It is not a de Polignac number, because 112122020121209 - 2¹² = 112122020117113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112122020121239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365568929 + ... + 365875505.

It is an arithmetic number, because the mean of its divisors is an integer number (8017505224800).

Almost surely, 2^{112122020121209} is an apocalyptic number.

It is an amenable number.

112122020121209 is a deficient number, since it is larger than the sum of its proper divisors (16158063475591).

112122020121209 is an equidigital number, since it uses as much as digits as its factorization.

112122020121209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363752.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 112122020121209 in words is "one hundred twelve trillion, one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, two hundred nine".