12001113122 has 8 divisors (see below), whose sum is σ = 18420313296. Its totient is φ = 5861008692.

The previous prime is 12001113109. The next prime is 12001113169. The reversal of 12001113122 is 22131110021.

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

It is a junction number, because it is equal to n+sod(n) for n = 12001113097 and 12001113106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69773828 + ... + 69773999.

It is an arithmetic number, because the mean of its divisors is an integer number (2302539162).

Almost surely, 2^12001113122 is an apocalyptic number.

12001113122 is a deficient number, since it is larger than the sum of its proper divisors (6419200174).

12001113122 is a wasteful number, since it uses less digits than its factorization.

12001113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139547872.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12001113122 its reverse (22131110021), we get a palindrome (34132223143).

The spelling of 12001113122 in words is "twelve billion, one million, one hundred thirteen thousand, one hundred twenty-two".