12011120021122 has 32 divisors (see below), whose sum is σ = 19790022614400. Its totient is φ = 5441962382208.

The previous prime is 12011120021077. The next prime is 12011120021129. The reversal of 12011120021122 is 22112002111021.

It is a super-4 number, since 4×12011120021122⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12011120021096 and 12011120021105.

It is not an unprimeable number, because it can be changed into a prime (12011120021129) 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, 36313504 + ... + 36642772.

It is an arithmetic number, because the mean of its divisors is an integer number (618438206700).

Almost surely, 2^{12011120021122} is an apocalyptic number.

12011120021122 is a deficient number, since it is larger than the sum of its proper divisors (7778902593278).

12011120021122 is a wasteful number, since it uses less digits than its factorization.

12011120021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371050.

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

Adding to 12011120021122 its reverse (22112002111021), we get a palindrome (34123122132143).

The spelling of 12011120021122 in words is "twelve trillion, eleven billion, one hundred twenty million, twenty-one thousand, one hundred twenty-two".