219895252012 has 24 divisors (see below), whose sum is σ = 388086844320. Its totient is φ = 109016582400.

The previous prime is 219895252009. The next prime is 219895252039. The reversal of 219895252012 is 210252598912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142587 + ... + 678322.

It is an arithmetic number, because the mean of its divisors is an integer number (16170285180).

Almost surely, 2^219895252012 is an apocalyptic number.

It is an amenable number.

219895252012 is a deficient number, since it is larger than the sum of its proper divisors (168191592308).

219895252012 is a wasteful number, since it uses less digits than its factorization.

219895252012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821481 (or 821479 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 219895252012 in words is "two hundred nineteen billion, eight hundred ninety-five million, two hundred fifty-two thousand, twelve".