1020712812 has 24 divisors (see below), whose sum is σ = 2721901056. Its totient is φ = 291632208.

The previous prime is 1020712811. The next prime is 1020712859. The reversal of 1020712812 is 2182170201.

It is not an unprimeable number, because it can be changed into a prime (1020712811) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6075588 + ... + 6075755.

It is an arithmetic number, because the mean of its divisors is an integer number (113412544).

Almost surely, 2^1020712812 is an apocalyptic number.

1020712812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020712812 is an abundant number, since it is smaller than the sum of its proper divisors (1701188244).

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

1020712812 is a wasteful number, since it uses less digits than its factorization.

1020712812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12151357 (or 12151355 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 1020712812 is about 31948.5964010941. The cubic root of 1020712812 is about 1006.8571427843.

The spelling of 1020712812 in words is "one billion, twenty million, seven hundred twelve thousand, eight hundred twelve".