12443581135 has 8 divisors (see below), whose sum is σ = 14957739216. Its totient is φ = 9937903680.

The previous prime is 12443581123. The next prime is 12443581159. The reversal of 12443581135 is 53118534421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12443581135 - 2³³ = 3853646543 is a prime.

It is a super-2 number, since 2×12443581135² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12443581094 and 12443581103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116926 + ... + 2122795.

It is an arithmetic number, because the mean of its divisors is an integer number (1869717402).

Almost surely, 2^12443581135 is an apocalyptic number.

12443581135 is a deficient number, since it is larger than the sum of its proper divisors (2514158081).

12443581135 is an equidigital number, since it uses as much as digits as its factorization.

12443581135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240313.

The product of its digits is 57600, while the sum is 37.

The spelling of 12443581135 in words is "twelve billion, four hundred forty-three million, five hundred eighty-one thousand, one hundred thirty-five".