12211112204 has 12 divisors (see below), whose sum is σ = 22494154200. Its totient is φ = 5784211008.

The previous prime is 12211112203. The next prime is 12211112213. The reversal of 12211112204 is 40221111221.

It is a super-2 number, since 2×12211112204² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211112203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80336189 + ... + 80336340.

It is an arithmetic number, because the mean of its divisors is an integer number (1874512850).

Almost surely, 2^12211112204 is an apocalyptic number.

It is an amenable number.

12211112204 is a deficient number, since it is larger than the sum of its proper divisors (10283041996).

12211112204 is a wasteful number, since it uses less digits than its factorization.

12211112204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160672552 (or 160672550 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12211112204 its reverse (40221111221), we get a palindrome (52432223425).

The spelling of 12211112204 in words is "twelve billion, two hundred eleven million, one hundred twelve thousand, two hundred four".