1123213012113 has 8 divisors (see below), whose sum is σ = 1497881548800. Its totient is φ = 748676575088.

The previous prime is 1123213012111. The next prime is 1123213012123. The reversal of 1123213012113 is 3112103123211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123213012113 - 2¹ = 1123213012111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123213012113.

It is not an unprimeable number, because it can be changed into a prime (1123213012111) 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 7 ways as a sum of consecutive naturals, for example, 33005073 + ... + 33039086.

It is an arithmetic number, because the mean of its divisors is an integer number (187235193600).

Almost surely, 2^{1123213012113} is an apocalyptic number.

It is an amenable number.

1123213012113 is a deficient number, since it is larger than the sum of its proper divisors (374668536687).

1123213012113 is an equidigital number, since it uses as much as digits as its factorization.

1123213012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66049831.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1123213012113 its reverse (3112103123211), we get a palindrome (4235316135324).

The spelling of 1123213012113 in words is "one trillion, one hundred twenty-three billion, two hundred thirteen million, twelve thousand, one hundred thirteen".