1578532012 has 12 divisors (see below), whose sum is σ = 2763146176. Its totient is φ = 789061680.

The previous prime is 1578532003. The next prime is 1578532013. The reversal of 1578532012 is 2102358751.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1578532013) 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 in 3 ways as a sum of consecutive naturals, for example, 32988 + ... + 65155.

Almost surely, 2^1578532012 is an apocalyptic number.

It is an amenable number.

1578532012 is a deficient number, since it is larger than the sum of its proper divisors (1184614164).

1578532012 is a wasteful number, since it uses less digits than its factorization.

1578532012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102168 (or 102166 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 1578532012 is about 39730.7439145053. The cubic root of 1578532012 is about 1164.3524585787.

The spelling of 1578532012 in words is "one billion, five hundred seventy-eight million, five hundred thirty-two thousand, twelve".