12112442501 has 8 divisors (see below), whose sum is σ = 12288681984. Its totient is φ = 11937466800.

The previous prime is 12112442497. The next prime is 12112442513. The reversal of 12112442501 is 10524421121.

12112442501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12112442501 - 2² = 12112442497 is a prime.

It is a super-2 number, since 2×12112442501² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112442101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296630 + ... + 334983.

It is an arithmetic number, because the mean of its divisors is an integer number (1536085248).

Almost surely, 2^12112442501 is an apocalyptic number.

It is an amenable number.

12112442501 is a deficient number, since it is larger than the sum of its proper divisors (176239483).

12112442501 is a wasteful number, since it uses less digits than its factorization.

12112442501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631891.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 12112442501 its reverse (10524421121), we get a palindrome (22636863622).

The spelling of 12112442501 in words is "twelve billion, one hundred twelve million, four hundred forty-two thousand, five hundred one".