12211212201110 has 32 divisors (see below), whose sum is σ = 23841259938720. Its totient is φ = 4476318179328.

The previous prime is 12211212201101. The next prime is 12211212201137. The reversal of 12211212201110 is 1110221211221.

It is a super-2 number, since 2×12211212201110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 337868267 + ... + 337904406.

It is an arithmetic number, because the mean of its divisors is an integer number (745039373085).

Almost surely, 2^{12211212201110} is an apocalyptic number.

12211212201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211212201110 is a deficient number, since it is larger than the sum of its proper divisors (11630047737610).

12211212201110 is a wasteful number, since it uses less digits than its factorization.

12211212201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675772832.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12211212201110 its reverse (1110221211221), we get a palindrome (13321433412331).

The spelling of 12211212201110 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, two hundred one thousand, one hundred ten".