12103012443 has 8 divisors (see below), whose sum is σ = 16358409808. Its totient is φ = 7958145024.

The previous prime is 12103012433. The next prime is 12103012457. The reversal of 12103012443 is 34421030121.

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

It is not a de Polignac number, because 12103012443 - 2²² = 12098818139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103012433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27632230 + ... + 27632667.

It is an arithmetic number, because the mean of its divisors is an integer number (2044801226).

Almost surely, 2^12103012443 is an apocalyptic number.

12103012443 is a deficient number, since it is larger than the sum of its proper divisors (4255397365).

12103012443 is an equidigital number, since it uses as much as digits as its factorization.

12103012443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55264973.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12103012443 its reverse (34421030121), we get a palindrome (46524042564).

The spelling of 12103012443 in words is "twelve billion, one hundred three million, twelve thousand, four hundred forty-three".