1012040219 has 2 divisors, whose sum is σ = 1012040220. Its totient is φ = 1012040218.

The previous prime is 1012040213. The next prime is 1012040287. The reversal of 1012040219 is 9120402101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012040219 - 2¹⁶ = 1011974683 is a prime.

It is a super-2 number, since 2×1012040219² = 2048450809747135922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012040219.

It is not a weakly prime, because it can be changed into another prime (1012040213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506020109 + 506020110.

It is an arithmetic number, because the mean of its divisors is an integer number (506020110).

Almost surely, 2^1012040219 is an apocalyptic number.

1012040219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012040219 is an equidigital number, since it uses as much as digits as its factorization.

1012040219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1012040219 is about 31812.5795716097. The cubic root of 1012040219 is about 1003.9974057884.

The spelling of 1012040219 in words is "one billion, twelve million, forty thousand, two hundred nineteen".