12212211110 has 32 divisors (see below), whose sum is σ = 24022462464. Its totient is φ = 4433004000.

The previous prime is 12212211101. The next prime is 12212211127. The reversal of 12212211110 is 1111221221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34406 + ... + 160025.

It is an arithmetic number, because the mean of its divisors is an integer number (750701952).

Almost surely, 2^12212211110 is an apocalyptic number.

12212211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212211110 is a deficient number, since it is larger than the sum of its proper divisors (11810251354).

12212211110 is a wasteful number, since it uses less digits than its factorization.

12212211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195020.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12212211110 its reverse (1111221221), we get a palindrome (13323432331).

It can be divided in two parts, 12212 and 211110, that added together give a palindrome (223322).

The spelling of 12212211110 in words is "twelve billion, two hundred twelve million, two hundred eleven thousand, one hundred ten".