3012123113 has 4 divisors (see below), whose sum is σ = 3039757380. Its totient is φ = 2984488848.

The previous prime is 3012123073. The next prime is 3012123119. The reversal of 3012123113 is 3113212103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3113212103 = 53 ⋅58739851.

It can be written as a sum of positive squares in 2 ways, for example, as 2388472384 + 623650729 = 48872^2 + 24973^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012123113 - 2⁸ = 3012122857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3012123091 and 3012123100.

It is not an unprimeable number, because it can be changed into a prime (3012123119) 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 3 ways as a sum of consecutive naturals, for example, 13816970 + ... + 13817187.

It is an arithmetic number, because the mean of its divisors is an integer number (759939345).

Almost surely, 2^3012123113 is an apocalyptic number.

It is an amenable number.

3012123113 is a deficient number, since it is larger than the sum of its proper divisors (27634267).

3012123113 is a wasteful number, since it uses less digits than its factorization.

3012123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27634266.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3012123113 is about 54882.8125463701. The cubic root of 3012123113 is about 1444.1896875666.

Adding to 3012123113 its reverse (3113212103), we get a palindrome (6125335216).

The spelling of 3012123113 in words is "three billion, twelve million, one hundred twenty-three thousand, one hundred thirteen".