1012330442 has 4 divisors (see below), whose sum is σ = 1518495666. Its totient is φ = 506165220.

The previous prime is 1012330409. The next prime is 1012330457. The reversal of 1012330442 is 2440332101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 923612881 + 88717561 = 30391^2 + 9419^2 .

It is an unprimeable number.

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, 253082609 + ... + 253082612.

Almost surely, 2^1012330442 is an apocalyptic number.

1012330442 is a deficient number, since it is larger than the sum of its proper divisors (506165224).

1012330442 is an equidigital number, since it uses as much as digits as its factorization.

1012330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506165223.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1012330442 is about 31817.1406949147. The cubic root of 1012330442 is about 1004.0933688028.

Adding to 1012330442 its reverse (2440332101), we get a palindrome (3452662543).

The spelling of 1012330442 in words is "one billion, twelve million, three hundred thirty thousand, four hundred forty-two".