12441031020 has 144 divisors (see below), whose sum is σ = 41665059072. Its totient is φ = 2979630720.

The previous prime is 12441030977. The next prime is 12441031049. The reversal of 12441031020 is 2013014421.

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

It is a junction number, because it is equal to n+sod(n) for n = 12441030984 and 12441031002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126489 + ... + 202191.

It is an arithmetic number, because the mean of its divisors is an integer number (289340688).

Almost surely, 2^12441031020 is an apocalyptic number.

12441031020 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 12441031020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20832529536).

12441031020 is an abundant number, since it is smaller than the sum of its proper divisors (29224028052).

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

12441031020 is a wasteful number, since it uses less digits than its factorization.

12441031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75812 (or 75807 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12441031020 its reverse (2013014421), we get a palindrome (14454045441).

The spelling of 12441031020 in words is "twelve billion, four hundred forty-one million, thirty-one thousand, twenty".