512212031 has 2 divisors, whose sum is σ = 512212032. Its totient is φ = 512212030.

The previous prime is 512212003. The next prime is 512212033. The reversal of 512212031 is 130212215.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512212031 - 2⁶ = 512211967 is a prime.

It is a super-2 number, since 2×512212031² = 524722329402289922, which contains 22 as substring.

Together with 512212033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512212033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256106015 + 256106016.

It is an arithmetic number, because the mean of its divisors is an integer number (256106016).

Almost surely, 2^512212031 is an apocalyptic number.

512212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

512212031 is an equidigital number, since it uses as much as digits as its factorization.

512212031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 512212031 is about 22632.1017804357. The cubic root of 512212031 is about 800.1104175717.

Adding to 512212031 its reverse (130212215), we get a palindrome (642424246).

The spelling of 512212031 in words is "five hundred twelve million, two hundred twelve thousand, thirty-one".