112512321145 has 16 divisors (see below), whose sum is σ = 154462226688. Its totient is φ = 77071498560.

The previous prime is 112512321143. The next prime is 112512321167. The reversal of 112512321145 is 541123215211.

It is not a de Polignac number, because 112512321145 - 2¹ = 112512321143 is a prime.

It is a super-2 number, since 2×112512321145² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112512321143) 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 15 ways as a sum of consecutive naturals, for example, 1628326 + ... + 1696015.

It is an arithmetic number, because the mean of its divisors is an integer number (9653889168).

Almost surely, 2^112512321145 is an apocalyptic number.

It is an amenable number.

112512321145 is a deficient number, since it is larger than the sum of its proper divisors (41949905543).

112512321145 is an equidigital number, since it uses as much as digits as its factorization.

112512321145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325320.

The product of its digits is 2400, while the sum is 28.

Adding to 112512321145 its reverse (541123215211), we get a palindrome (653635536356).

The spelling of 112512321145 in words is "one hundred twelve billion, five hundred twelve million, three hundred twenty-one thousand, one hundred forty-five".