12112401012443 has 4 divisors (see below), whose sum is σ = 12112521525408. Its totient is φ = 12112280499480.

The previous prime is 12112401012407. The next prime is 12112401012529. The reversal of 12112401012443 is 34421010421121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112401012443 is a prime.

It is a super-2 number, since 2×12112401012443² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112401012343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60105596 + ... + 60306777.

It is an arithmetic number, because the mean of its divisors is an integer number (3028130381352).

Almost surely, 2^{12112401012443} is an apocalyptic number.

12112401012443 is a deficient number, since it is larger than the sum of its proper divisors (120512965).

12112401012443 is a wasteful number, since it uses less digits than its factorization.

12112401012443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120512964.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 12112401012443 its reverse (34421010421121), we get a palindrome (46533411433564).

The spelling of 12112401012443 in words is "twelve trillion, one hundred twelve billion, four hundred one million, twelve thousand, four hundred forty-three".