1012919012 has 12 divisors (see below), whose sum is σ = 2025838080. Its totient is φ = 434108136.

The previous prime is 1012919009. The next prime is 1012919053. The reversal of 1012919012 is 2109192101.

1012919012 is an admirable number.

It is a super-2 number, since 2×1012919012² = 2052009849742112288, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 18087812 + ... + 18087867.

It is an arithmetic number, because the mean of its divisors is an integer number (168819840).

Almost surely, 2^1012919012 is an apocalyptic number.

It is an amenable number.

1012919012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1012919012 is a wasteful number, since it uses less digits than its factorization.

1012919012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36175690 (or 36175688 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 1012919012 is about 31826.3886107111. The cubic root of 1012919012 is about 1004.2879247549.

The spelling of 1012919012 in words is "one billion, twelve million, nine hundred nineteen thousand, twelve".