12012001112122 has 16 divisors (see below), whose sum is σ = 20187245113632. Its totient is φ = 5312432923920.

The previous prime is 12012001112113. The next prime is 12012001112143. The reversal of 12012001112122 is 22121110021021.

It is a junction number, because it is equal to n+sod(n) for n = 12012001112096 and 12012001112105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7378378248 + ... + 7378379875.

It is an arithmetic number, because the mean of its divisors is an integer number (1261702819602).

Almost surely, 2^{12012001112122} is an apocalyptic number.

12012001112122 is a deficient number, since it is larger than the sum of its proper divisors (8175244001510).

12012001112122 is a wasteful number, since it uses less digits than its factorization.

12012001112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14756758173.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012001112122 its reverse (22121110021021), we get a palindrome (34133111133143).

The spelling of 12012001112122 in words is "twelve trillion, twelve billion, one million, one hundred twelve thousand, one hundred twenty-two".