12110144420 has 96 divisors (see below), whose sum is σ = 28923374592. Its totient is φ = 4219200000.

The previous prime is 12110144401. The next prime is 12110144447. The reversal of 12110144420 is 2444101121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12110144392 and 12110144401.

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, 680030 + ... + 697610.

It is an arithmetic number, because the mean of its divisors is an integer number (301285152).

Almost surely, 2^12110144420 is an apocalyptic number.

12110144420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110144420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14461687296).

12110144420 is an abundant number, since it is smaller than the sum of its proper divisors (16813230172).

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

12110144420 is a wasteful number, since it uses less digits than its factorization.

12110144420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17733 (or 17731 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12110144420 its reverse (2444101121), we get a palindrome (14554245541).

The spelling of 12110144420 in words is "twelve billion, one hundred ten million, one hundred forty-four thousand, four hundred twenty".