12421442110 has 64 divisors (see below), whose sum is σ = 28836933120. Its totient is φ = 3738107520.

The previous prime is 12421442083. The next prime is 12421442129. The reversal of 12421442110 is 1124412421.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255804 + ... + 300463.

It is an arithmetic number, because the mean of its divisors is an integer number (450577080).

Almost surely, 2^12421442110 is an apocalyptic number.

12421442110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421442110 is an abundant number, since it is smaller than the sum of its proper divisors (16415491010).

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

12421442110 is a wasteful number, since it uses less digits than its factorization.

12421442110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556321.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12421442110 its reverse (1124412421), we get a palindrome (13545854531).

The spelling of 12421442110 in words is "twelve billion, four hundred twenty-one million, four hundred forty-two thousand, one hundred ten".