12443502104 has 64 divisors (see below), whose sum is σ = 27352287360. Its totient is φ = 5243927040.

The previous prime is 12443502101. The next prime is 12443502157. The reversal of 12443502104 is 40120534421.

It is a super-2 number, since 2×12443502104² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443502101) 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, 38159 + ... + 162305.

It is an arithmetic number, because the mean of its divisors is an integer number (427379490).

Almost surely, 2^12443502104 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 12443502104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13676143680).

12443502104 is an abundant number, since it is smaller than the sum of its proper divisors (14908785256).

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

12443502104 is a wasteful number, since it uses less digits than its factorization.

12443502104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124248 (or 124244 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 12443502104 in words is "twelve billion, four hundred forty-three million, five hundred two thousand, one hundred four".