12344010420 has 144 divisors (see below), whose sum is σ = 42571448640. Its totient is φ = 2655507456.

The previous prime is 12344010391. The next prime is 12344010439. The reversal of 12344010420 is 2401044321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73510 + ... + 173469.

It is an arithmetic number, because the mean of its divisors is an integer number (295635060).

Almost surely, 2^12344010420 is an apocalyptic number.

12344010420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12344010420 is an abundant number, since it is smaller than the sum of its proper divisors (30227438220).

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

12344010420 is a wasteful number, since it uses less digits than its factorization.

12344010420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247022 (or 247013 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12344010420 its reverse (2401044321), we get a palindrome (14745054741).

The spelling of 12344010420 in words is "twelve billion, three hundred forty-four million, ten thousand, four hundred twenty".