12434444020 has 48 divisors (see below), whose sum is σ = 26391613248. Its totient is φ = 4920814080.

The previous prime is 12434444017. The next prime is 12434444021. The reversal of 12434444020 is 2044443421.

It is a self number, because there is not a number n which added to its sum of digits gives 12434444020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434444021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875899 + ... + 889981.

It is an arithmetic number, because the mean of its divisors is an integer number (549825276).

Almost surely, 2^12434444020 is an apocalyptic number.

12434444020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12434444020 is an abundant number, since it is smaller than the sum of its proper divisors (13957169228).

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

12434444020 is a wasteful number, since it uses less digits than its factorization.

12434444020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14560 (or 14558 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12434444020 its reverse (2044443421), we get a palindrome (14478887441).

The spelling of 12434444020 in words is "twelve billion, four hundred thirty-four million, four hundred forty-four thousand, twenty".