12348389872 has 80 divisors (see below), whose sum is σ = 29474988480. Its totient is φ = 4880295936.

The previous prime is 12348389869. The next prime is 12348389873. The reversal of 12348389872 is 27898384321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12348389873) 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, 1733454 + ... + 1740562.

It is an arithmetic number, because the mean of its divisors is an integer number (368437356).

Almost surely, 2^12348389872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12348389872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14737494240).

12348389872 is an abundant number, since it is smaller than the sum of its proper divisors (17126598608).

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

12348389872 is a wasteful number, since it uses less digits than its factorization.

12348389872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8330 (or 8324 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

It can be divided in two parts, 12348 and 389872, that multiplied together give a square (4814139456 = 69384²).

The spelling of 12348389872 in words is "twelve billion, three hundred forty-eight million, three hundred eighty-nine thousand, eight hundred seventy-two".