1012312429 has 2 divisors, whose sum is σ = 1012312430. Its totient is φ = 1012312428.

The previous prime is 1012312423. The next prime is 1012312451. The reversal of 1012312429 is 9242132101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009523529 + 2788900 = 31773^2 + 1670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012312429 - 2⁹ = 1012311917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012312423) 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 as a sum of consecutive naturals, namely, 506156214 + 506156215.

It is an arithmetic number, because the mean of its divisors is an integer number (506156215).

Almost surely, 2^1012312429 is an apocalyptic number.

It is an amenable number.

1012312429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012312429 is an equidigital number, since it uses as much as digits as its factorization.

1012312429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1012312429 is about 31816.8576229646. The cubic root of 1012312429 is about 1004.0874132899.

The spelling of 1012312429 in words is "one billion, twelve million, three hundred twelve thousand, four hundred twenty-nine".