1018508812 has 6 divisors (see below), whose sum is σ = 1782390428. Its totient is φ = 509254404.

The previous prime is 1018508809. The next prime is 1018508819. The reversal of 1018508812 is 2188058101.

1018508812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1018508819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127313598 + ... + 127313605.

Almost surely, 2^1018508812 is an apocalyptic number.

It is an amenable number.

1018508812 is a deficient number, since it is larger than the sum of its proper divisors (763881616).

1018508812 is a wasteful number, since it uses less digits than its factorization.

1018508812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254627207 (or 254627205 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 34.

The square root of 1018508812 is about 31914.0848529297. The cubic root of 1018508812 is about 1006.1319266214.

The spelling of 1018508812 in words is "one billion, eighteen million, five hundred eight thousand, eight hundred twelve".