1200000010189 has 2 divisors, whose sum is σ = 1200000010190. Its totient is φ = 1200000010188.

The previous prime is 1200000010091. The next prime is 1200000010229. The reversal of 1200000010189 is 9810100000021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012287515625 + 187712494564 = 1006125^2 + 433258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200000010189 - 2⁷ = 1200000010061 is a prime.

It is a super-3 number, since 3×1200000010189³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200000040189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600000005094 + 600000005095.

It is an arithmetic number, because the mean of its divisors is an integer number (600000005095).

Almost surely, 2^{1200000010189} is an apocalyptic number.

It is an amenable number.

1200000010189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200000010189 is an equidigital number, since it uses as much as digits as its factorization.

1200000010189 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 22.

The spelling of 1200000010189 in words is "one trillion, two hundred billion, ten thousand, one hundred eighty-nine".