112121212313 has 16 divisors (see below), whose sum is σ = 123965016192. Its totient is φ = 100559760000.

The previous prime is 112121212297. The next prime is 112121212351. The reversal of 112121212313 is 313212121211.

It is a cyclic number.

It is not a de Polignac number, because 112121212313 - 2⁴ = 112121212297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121212363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132620 + ... + 491762.

It is an arithmetic number, because the mean of its divisors is an integer number (7747813512).

Almost surely, 2^112121212313 is an apocalyptic number.

It is an amenable number.

112121212313 is a deficient number, since it is larger than the sum of its proper divisors (11843803879).

112121212313 is a wasteful number, since it uses less digits than its factorization.

112121212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359536.

The product of its digits is 144, while the sum is 20.

Adding to 112121212313 its reverse (313212121211), we get a palindrome (425333333524).

The spelling of 112121212313 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred twelve thousand, three hundred thirteen".