12222331110 has 64 divisors (see below), whose sum is σ = 35555880960. Its totient is φ = 2962988640.

The previous prime is 12222331087. The next prime is 12222331111. The reversal of 12222331110 is 1113322221.

12222331110 is a `hidden beast` number, since 1 + 2 + 222 + 331 + 110 = 666.

12222331110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222331111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2054662 + ... + 2060601.

It is an arithmetic number, because the mean of its divisors is an integer number (555560640).

Almost surely, 2^12222331110 is an apocalyptic number.

12222331110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222331110 is an abundant number, since it is smaller than the sum of its proper divisors (23333549850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12222331110 is a wasteful number, since it uses less digits than its factorization.

12222331110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115290 (or 4115284 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12222331110 its reverse (1113322221), we get a palindrome (13335653331).

It can be divided in two parts, 1222 and 2331110, that added together give a palindrome (2332332).

The spelling of 12222331110 in words is "twelve billion, two hundred twenty-two million, three hundred thirty-one thousand, one hundred ten".