12211211210204 has 12 divisors (see below), whose sum is σ = 21369740011200. Its totient is φ = 6105571207008.

The previous prime is 12211211210101. The next prime is 12211211210239. The reversal of 12211211210204 is 40201211211221.

It is a super-2 number, since 2×12211211210204² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7792364 + ... + 9227315.

It is an arithmetic number, because the mean of its divisors is an integer number (1780811667600).

Almost surely, 2^{12211211210204} is an apocalyptic number.

It is an amenable number.

12211211210204 is a deficient number, since it is larger than the sum of its proper divisors (9158528800996).

12211211210204 is a wasteful number, since it uses less digits than its factorization.

12211211210204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17199052 (or 17199050 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12211211210204 its reverse (40201211211221), we get a palindrome (52412422421425).

The spelling of 12211211210204 in words is "twelve trillion, two hundred eleven billion, two hundred eleven million, two hundred ten thousand, two hundred four".