112145143213 has 4 divisors (see below), whose sum is σ = 112368096288. Its totient is φ = 111922190140.

The previous prime is 112145143211. The next prime is 112145143283. The reversal of 112145143213 is 312341541211.

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 112145143213 - 2¹ = 112145143211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112145143211) 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, 111475783 + ... + 111476788.

It is an arithmetic number, because the mean of its divisors is an integer number (28092024072).

Almost surely, 2^112145143213 is an apocalyptic number.

It is an amenable number.

112145143213 is a deficient number, since it is larger than the sum of its proper divisors (222953075).

112145143213 is an equidigital number, since it uses as much as digits as its factorization.

112145143213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222953074.

The product of its digits is 2880, while the sum is 28.

Adding to 112145143213 its reverse (312341541211), we get a palindrome (424486684424).

The spelling of 112145143213 in words is "one hundred twelve billion, one hundred forty-five million, one hundred forty-three thousand, two hundred thirteen".