12331504343420 has 48 divisors (see below), whose sum is σ = 26785324133568. Its totient is φ = 4765573040640.

The previous prime is 12331504343377. The next prime is 12331504343441. The reversal of 12331504343420 is 2434340513321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72917579 + ... + 73086498.

It is an arithmetic number, because the mean of its divisors is an integer number (558027586116).

Almost surely, 2^{12331504343420} is an apocalyptic number.

12331504343420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331504343420 is an abundant number, since it is smaller than the sum of its proper divisors (14453819790148).

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

12331504343420 is a wasteful number, since it uses less digits than its factorization.

12331504343420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146004230 (or 146004228 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 12331504343420 its reverse (2434340513321), we get a palindrome (14765844856741).

The spelling of 12331504343420 in words is "twelve trillion, three hundred thirty-one billion, five hundred four million, three hundred forty-three thousand, four hundred twenty".