12231421110 has 24 divisors (see below), whose sum is σ = 31801695120. Its totient is φ = 3261712272.

The previous prime is 12231421099. The next prime is 12231421159. The reversal of 12231421110 is 1112413221.

12231421110 is a `hidden beast` number, since 1 + 2 + 231 + 421 + 1 + 10 = 666.

12231421110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12231421110³ (a number of 31 digits) contains 333 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 67952250 + ... + 67952429.

It is an arithmetic number, because the mean of its divisors is an integer number (1325070630).

Almost surely, 2^12231421110 is an apocalyptic number.

12231421110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12231421110 is an abundant number, since it is smaller than the sum of its proper divisors (19570274010).

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

12231421110 is a wasteful number, since it uses less digits than its factorization.

12231421110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135904692 (or 135904689 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12231421110 its reverse (1112413221), we get a palindrome (13343834331).

The spelling of 12231421110 in words is "twelve billion, two hundred thirty-one million, four hundred twenty-one thousand, one hundred ten".