1016891212 has 12 divisors (see below), whose sum is σ = 1783809720. Its totient is φ = 507231296.

The previous prime is 1016891207. The next prime is 1016891221. The reversal of 1016891212 is 2121986101.

It is a happy number.

1016891212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301693 + ... + 305044.

It is an arithmetic number, because the mean of its divisors is an integer number (148650810).

Almost surely, 2^1016891212 is an apocalyptic number.

It is an amenable number.

1016891212 is a deficient number, since it is larger than the sum of its proper divisors (766918508).

1016891212 is a wasteful number, since it uses less digits than its factorization.

1016891212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607160 (or 607158 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 1016891212 is about 31888.7317402245. The cubic root of 1016891212 is about 1005.5989967284.

The spelling of 1016891212 in words is "one billion, sixteen million, eight hundred ninety-one thousand, two hundred twelve".