1200100012219 has 2 divisors, whose sum is σ = 1200100012220. Its totient is φ = 1200100012218.

The previous prime is 1200100012169. The next prime is 1200100012231. The reversal of 1200100012219 is 9122100010021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200100012219 - 2⁷ = 1200100012091 is a prime.

It is a super-2 number, since 2×1200100012219² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200100012196 and 1200100012205.

It is not a weakly prime, because it can be changed into another prime (1200100012259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600050006109 + 600050006110.

It is an arithmetic number, because the mean of its divisors is an integer number (600050006110).

Almost surely, 2^{1200100012219} is an apocalyptic number.

1200100012219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200100012219 is an equidigital number, since it uses as much as digits as its factorization.

1200100012219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1200100012219 in words is "one trillion, two hundred billion, one hundred million, twelve thousand, two hundred nineteen".