1012229993 has 2 divisors, whose sum is σ = 1012229994. Its totient is φ = 1012229992.

The previous prime is 1012229989. The next prime is 1012230029. The reversal of 1012229993 is 3999222101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656794384 + 355435609 = 25628^2 + 18853^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012229993 - 2² = 1012229989 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012229593) 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, 506114996 + 506114997.

It is an arithmetic number, because the mean of its divisors is an integer number (506114997).

Almost surely, 2^1012229993 is an apocalyptic number.

It is an amenable number.

1012229993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012229993 is an equidigital number, since it uses as much as digits as its factorization.

1012229993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1012229993 is about 31815.5621198180. The cubic root of 1012229993 is about 1004.0601571469.

The spelling of 1012229993 in words is "one billion, twelve million, two hundred twenty-nine thousand, nine hundred ninety-three".