12011120022 has 32 divisors (see below), whose sum is σ = 26239492224. Its totient is φ = 3635092800.

The previous prime is 12011119997. The next prime is 12011120029. The reversal of 12011120022 is 22002111021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011120029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63679 + ... + 167562.

It is an arithmetic number, because the mean of its divisors is an integer number (819984132).

Almost surely, 2^12011120022 is an apocalyptic number.

12011120022 is an abundant number, since it is smaller than the sum of its proper divisors (14228372202).

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

12011120022 is a wasteful number, since it uses less digits than its factorization.

12011120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232044.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12011120022 its reverse (22002111021), we get a palindrome (34013231043).

Subtracting 12011120022 from its reverse (22002111021), we obtain a palindrome (9990990999).

The spelling of 12011120022 in words is "twelve billion, eleven million, one hundred twenty thousand, twenty-two".