12150031 has 2 divisors, whose sum is σ = 12150032. Its totient is φ = 12150030.

The previous prime is 12150029. The next prime is 12150059. The reversal of 12150031 is 13005121.

It is a weak prime.

It is an emirp because it is prime and its reverse (13005121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12150031 - 2¹ = 12150029 is a prime.

It is a super-2 number, since 2×12150031² = 295246506601922, which contains 22 as substring.

Together with 12150029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12149993 and 12150020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12150001) 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 as a sum of consecutive naturals, namely, 6075015 + 6075016.

It is an arithmetic number, because the mean of its divisors is an integer number (6075016).

Almost surely, 2^12150031 is an apocalyptic number.

12150031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12150031 is an equidigital number, since it uses as much as digits as its factorization.

12150031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 12150031 is about 3485.6894583425. The cubic root of 12150031 is about 229.8930252372.

Adding to 12150031 its reverse (13005121), we get a palindrome (25155152).

The spelling of 12150031 in words is "twelve million, one hundred fifty thousand, thirty-one".