12011012112122 has 16 divisors (see below), whose sum is σ = 18187982507520. Its totient is φ = 5948370323808.

The previous prime is 12011012112107. The next prime is 12011012112133. The reversal of 12011012112122 is 22121121011021.

It is a self number, because there is not a number n which added to its sum of digits gives 12011012112122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3496922 + ... + 6020837.

It is an arithmetic number, because the mean of its divisors is an integer number (1136748906720).

Almost surely, 2^{12011012112122} is an apocalyptic number.

12011012112122 is a deficient number, since it is larger than the sum of its proper divisors (6176970395398).

12011012112122 is a wasteful number, since it uses less digits than its factorization.

12011012112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9523765.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12011012112122 its reverse (22121121011021), we get a palindrome (34132133123143).

The spelling of 12011012112122 in words is "twelve trillion, eleven billion, twelve million, one hundred twelve thousand, one hundred twenty-two".