1043520012 has 18 divisors (see below), whose sum is σ = 2637786788. Its totient is φ = 347839992.

The previous prime is 1043519951. The next prime is 1043520013. The reversal of 1043520012 is 2100253401.

1043520012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1043520013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14493298 + ... + 14493369.

Almost surely, 2^1043520012 is an apocalyptic number.

1043520012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1043520012 is an abundant number, since it is smaller than the sum of its proper divisors (1594266776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1043520012 is a wasteful number, since it uses less digits than its factorization.

1043520012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28986677 (or 28986672 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1043520012 is about 32303.5603610500. The cubic root of 1043520012 is about 1014.3011721660.

Adding to 1043520012 its reverse (2100253401), we get a palindrome (3143773413).

The spelling of 1043520012 in words is "one billion, forty-three million, five hundred twenty thousand, twelve".