120012113 has 16 divisors (see below), whose sum is σ = 137121600. Its totient is φ = 104120640.

The previous prime is 120012089. The next prime is 120012131. The reversal of 120012113 is 311210021.

It is not a de Polignac number, because 120012113 - 2⁶ = 120012049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120012094 and 120012103.

It is not an unprimeable number, because it can be changed into a prime (120012143) 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, 30503 + ... + 34211.

It is an arithmetic number, because the mean of its divisors is an integer number (8570100).

Almost surely, 2^120012113 is an apocalyptic number.

120012113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120012113 is a deficient number, since it is larger than the sum of its proper divisors (17109487).

120012113 is a wasteful number, since it uses less digits than its factorization.

120012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 120012113 is about 10955.0040164301. The cubic root of 120012113 is about 493.2590105449.

Adding to 120012113 its reverse (311210021), we get a palindrome (431222134).

The spelling of 120012113 in words is "one hundred twenty million, twelve thousand, one hundred thirteen".