112145245130213 has 4 divisors (see below), whose sum is σ = 112360495121388. Its totient is φ = 111929995139040.

The previous prime is 112145245130209. The next prime is 112145245130227. The reversal of 112145245130213 is 312031542541211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 79852131744004 + 32293113386209 = 8936002^2 + 5682703^2 .

It is a cyclic number.

It is not a de Polignac number, because 112145245130213 - 2² = 112145245130209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112145245133213) 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, 107624994806 + ... + 107624995847.

It is an arithmetic number, because the mean of its divisors is an integer number (28090123780347).

Almost surely, 2^{112145245130213} is an apocalyptic number.

It is an amenable number.

112145245130213 is a deficient number, since it is larger than the sum of its proper divisors (215249991175).

112145245130213 is an equidigital number, since it uses as much as digits as its factorization.

112145245130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215249991174.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 112145245130213 its reverse (312031542541211), we get a palindrome (424176787671424).

The spelling of 112145245130213 in words is "one hundred twelve trillion, one hundred forty-five billion, two hundred forty-five million, one hundred thirty thousand, two hundred thirteen".