12001100100022 has 16 divisors (see below), whose sum is σ = 19960100913744. Its totient is φ = 5365618524000.

The previous prime is 12001100100007. The next prime is 12001100100089. The reversal of 12001100100022 is 22000100110021.

It is a super-2 number, since 2×12001100100022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001100099981 and 12001100100008.

It is a congruent number.

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, 4471347429 + ... + 4471350112.

It is an arithmetic number, because the mean of its divisors is an integer number (1247506307109).

Almost surely, 2^{12001100100022} is an apocalyptic number.

12001100100022 is a deficient number, since it is larger than the sum of its proper divisors (7959000813722).

12001100100022 is a wasteful number, since it uses less digits than its factorization.

12001100100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942697615.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12001100100022 its reverse (22000100110021), we get a palindrome (34001200210043).

Subtracting 12001100100022 from its reverse (22000100110021), we obtain a palindrome (9999000009999).

The spelling of 12001100100022 in words is "twelve trillion, one billion, one hundred million, one hundred thousand, twenty-two".