12211103323012 has 12 divisors (see below), whose sum is σ = 23312106344016. Its totient is φ = 5550501510440.

The previous prime is 12211103322949. The next prime is 12211103323043. The reversal of 12211103323012 is 21032330111221.

It is a super-2 number, since 2×12211103323012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 3 ways as a sum of consecutive naturals, for example, 138762537718 + ... + 138762537805.

It is an arithmetic number, because the mean of its divisors is an integer number (1942675528668).

Almost surely, 2^{12211103323012} is an apocalyptic number.

It is an amenable number.

12211103323012 is a deficient number, since it is larger than the sum of its proper divisors (11101003021004).

12211103323012 is a wasteful number, since it uses less digits than its factorization.

12211103323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277525075538 (or 277525075536 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12211103323012 its reverse (21032330111221), we get a palindrome (33243433434233).

The spelling of 12211103323012 in words is "twelve trillion, two hundred eleven billion, one hundred three million, three hundred twenty-three thousand, twelve".