2012103219 has 24 divisors (see below), whose sum is σ = 3160335360. Its totient is φ = 1135212624.

The previous prime is 2012103209. The next prime is 2012103271. The reversal of 2012103219 is 9123012102.

It is not a de Polignac number, because 2012103219 - 2⁹ = 2012102707 is a prime.

It is a super-2 number, since 2×2012103219² = 8097118727820323922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2012103195 and 2012103204.

It is not an unprimeable number, because it can be changed into a prime (2012103209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75019 + ... + 98244.

It is an arithmetic number, because the mean of its divisors is an integer number (131680640).

Almost surely, 2^2012103219 is an apocalyptic number.

2012103219 is a deficient number, since it is larger than the sum of its proper divisors (1148232141).

2012103219 is a wasteful number, since it uses less digits than its factorization.

2012103219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173359 (or 173352 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2012103219 is about 44856.4735461895. The cubic root of 2012103219 is about 1262.4574570378.

The spelling of 2012103219 in words is "two billion, twelve million, one hundred three thousand, two hundred nineteen".