4452112123345 has 32 divisors (see below), whose sum is σ = 5577554442240. Its totient is φ = 3408203485440.

The previous prime is 4452112123339. The next prime is 4452112123399. The reversal of 4452112123345 is 5433212112544.

It is not a de Polignac number, because 4452112123345 - 2⁹ = 4452112122833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119139634 + ... + 119176996.

It is an arithmetic number, because the mean of its divisors is an integer number (174298576320).

Almost surely, 2^{4452112123345} is an apocalyptic number.

It is an amenable number.

4452112123345 is a deficient number, since it is larger than the sum of its proper divisors (1125442318895).

4452112123345 is a wasteful number, since it uses less digits than its factorization.

4452112123345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48025.

The product of its digits is 115200, while the sum is 37.

Adding to 4452112123345 its reverse (5433212112544), we get a palindrome (9885324235889).

The spelling of 4452112123345 in words is "four trillion, four hundred fifty-two billion, one hundred twelve million, one hundred twenty-three thousand, three hundred forty-five".