12112223131001 has 4 divisors (see below), whose sum is σ = 13842540721152. Its totient is φ = 10381905540852.

The previous prime is 12112223130991. The next prime is 12112223131007. The reversal of 12112223131001 is 10013132221121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12112223131001 - 2²⁶ = 12112156022137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112223131007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865158795065 + ... + 865158795078.

It is an arithmetic number, because the mean of its divisors is an integer number (3460635180288).

Almost surely, 2^{12112223131001} is an apocalyptic number.

It is an amenable number.

12112223131001 is a deficient number, since it is larger than the sum of its proper divisors (1730317590151).

12112223131001 is an equidigital number, since it uses as much as digits as its factorization.

12112223131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730317590150.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12112223131001 its reverse (10013132221121), we get a palindrome (22125355352122).

The spelling of 12112223131001 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-three million, one hundred thirty-one thousand, one".