12262031 has 2 divisors, whose sum is σ = 12262032. Its totient is φ = 12262030.

The previous prime is 12262021. The next prime is 12262039. The reversal of 12262031 is 13026221.

12262031 is nontrivially palindromic in base 5.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12262031 - 2²² = 8067727 is a prime.

It is a super-2 number, since 2×12262031² = 300714808489922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12262039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6131015 + 6131016.

It is an arithmetic number, because the mean of its divisors is an integer number (6131016).

Almost surely, 2^12262031 is an apocalyptic number.

12262031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12262031 is an equidigital number, since it uses as much as digits as its factorization.

12262031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12262031 is about 3501.7182924958. The cubic root of 12262031 is about 230.5972567935.

Adding to 12262031 its reverse (13026221), we get a palindrome (25288252).

The spelling of 12262031 in words is "twelve million, two hundred sixty-two thousand, thirty-one".