1005452012 has 24 divisors (see below), whose sum is σ = 1902688704. Its totient is φ = 463085312.

The previous prime is 1005452003. The next prime is 1005452017. The reversal of 1005452012 is 2102545001.

It is not an unprimeable number, because it can be changed into a prime (1005452017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154103 + ... + 160494.

It is an arithmetic number, because the mean of its divisors is an integer number (79278696).

Almost surely, 2^1005452012 is an apocalyptic number.

It is an amenable number.

1005452012 is a deficient number, since it is larger than the sum of its proper divisors (897236692).

1005452012 is a wasteful number, since it uses less digits than its factorization.

1005452012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314665 (or 314663 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1005452012 is about 31708.8633034992. The cubic root of 1005452012 is about 1001.8140445857.

Adding to 1005452012 its reverse (2102545001), we get a palindrome (3107997013).

The spelling of 1005452012 in words is "one billion, five million, four hundred fifty-two thousand, twelve".