1200000012241 has 2 divisors, whose sum is σ = 1200000012242. Its totient is φ = 1200000012240.

The previous prime is 1200000012199. The next prime is 1200000012287. The reversal of 1200000012241 is 1422100000021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1021666100625 + 178333911616 = 1010775^2 + 422296^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200000012241 - 2²¹ = 1199997915089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200000012641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600000006120 + 600000006121.

It is an arithmetic number, because the mean of its divisors is an integer number (600000006121).

Almost surely, 2^{1200000012241} is an apocalyptic number.

It is an amenable number.

1200000012241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200000012241 is an equidigital number, since it uses as much as digits as its factorization.

1200000012241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200000012241 its reverse (1422100000021), we get a palindrome (2622100012262).

The spelling of 1200000012241 in words is "one trillion, two hundred billion, twelve thousand, two hundred forty-one".