12121112022 has 8 divisors (see below), whose sum is σ = 24242224056. Its totient is φ = 4040370672.

The previous prime is 12121111927. The next prime is 12121112027. The reversal of 12121112022 is 22021112121.

It is a sphenic number, since it is the product of 3 distinct primes.

12121112022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12121111992 and 12121112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121112027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010092663 + ... + 1010092674.

It is an arithmetic number, because the mean of its divisors is an integer number (3030278007).

Almost surely, 2^12121112022 is an apocalyptic number.

12121112022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12121112022 is a wasteful number, since it uses less digits than its factorization.

12121112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020185342.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12121112022 its reverse (22021112121), we get a palindrome (34142224143).

Subtracting 12121112022 from its reverse (22021112121), we obtain a palindrome (9900000099).

The spelling of 12121112022 in words is "twelve billion, one hundred twenty-one million, one hundred twelve thousand, twenty-two".