12160031 has 16 divisors (see below), whose sum is σ = 13891584. Its totient is φ = 10558944.

The previous prime is 12160021. The next prime is 12160051. The reversal of 12160031 is 13006121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12160031 is a prime.

It is a super-2 number, since 2×12160031² = 295732707841922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12159988 and 12160015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12160021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19730 + ... + 20336.

It is an arithmetic number, because the mean of its divisors is an integer number (868224).

Almost surely, 2^12160031 is an apocalyptic number.

12160031 is a deficient number, since it is larger than the sum of its proper divisors (1731553).

12160031 is a wasteful number, since it uses less digits than its factorization.

12160031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 12160031 is about 3487.1235997595. The cubic root of 12160031 is about 229.9560785697.

Adding to 12160031 its reverse (13006121), we get a palindrome (25166152).

The spelling of 12160031 in words is "twelve million, one hundred sixty thousand, thirty-one".