1001200219 has 2 divisors, whose sum is σ = 1001200220. Its totient is φ = 1001200218.

The previous prime is 1001200171. The next prime is 1001200241. The reversal of 1001200219 is 9120021001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001200219 is a prime.

It is a super-2 number, since 2×1001200219² = 2004803757051295922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1001200289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500600109 + 500600110.

It is an arithmetic number, because the mean of its divisors is an integer number (500600110).

Almost surely, 2^1001200219 is an apocalyptic number.

1001200219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001200219 is an equidigital number, since it uses as much as digits as its factorization.

1001200219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1001200219 is about 31641.7480395758. The cubic root of 1001200219 is about 1000.3999130482.

The spelling of 1001200219 in words is "one billion, one million, two hundred thousand, two hundred nineteen".