2019140812 has 24 divisors (see below), whose sum is σ = 3806620272. Its totient is φ = 931588800.

The previous prime is 2019140797. The next prime is 2019140819. The reversal of 2019140812 is 2180419102.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2019140819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214362 + ... + 223582.

It is an arithmetic number, because the mean of its divisors is an integer number (158609178).

Almost surely, 2^2019140812 is an apocalyptic number.

It is an amenable number.

2019140812 is a deficient number, since it is larger than the sum of its proper divisors (1787479460).

2019140812 is a wasteful number, since it uses less digits than its factorization.

2019140812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13449 (or 13447 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 2019140812 is about 44934.8507508370. The cubic root of 2019140812 is about 1263.9276141250.

Adding to 2019140812 its reverse (2180419102), we get a palindrome (4199559914).

The spelling of 2019140812 in words is "two billion, nineteen million, one hundred forty thousand, eight hundred twelve".