12012222110 has 24 divisors (see below), whose sum is σ = 25152123240. Its totient is φ = 4118475984.

The previous prime is 12012222097. The next prime is 12012222113. The reversal of 12012222110 is 1122221021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012222113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12256880 + ... + 12257859.

It is an arithmetic number, because the mean of its divisors is an integer number (1048005135).

Almost surely, 2^12012222110 is an apocalyptic number.

12012222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012222110 is an abundant number, since it is smaller than the sum of its proper divisors (13139901130).

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

12012222110 is a wasteful number, since it uses less digits than its factorization.

12012222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24514760 (or 24514753 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12012222110 its reverse (1122221021), we get a palindrome (13134443131).

The spelling of 12012222110 in words is "twelve billion, twelve million, two hundred twenty-two thousand, one hundred ten".