1200221202213 has 64 divisors (see below), whose sum is σ = 2143152691200. Its totient is φ = 654852084480.

The previous prime is 1200221202151. The next prime is 1200221202223. The reversal of 1200221202213 is 3122021220021.

1200221202213 is a `hidden beast` number, since 1 + 200 + 221 + 20 + 221 + 3 = 666.

It is not a de Polignac number, because 1200221202213 - 2⁹ = 1200221201701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200221202223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5051583 + ... + 5283836.

It is an arithmetic number, because the mean of its divisors is an integer number (33486760800).

Almost surely, 2^{1200221202213} is an apocalyptic number.

It is an amenable number.

1200221202213 is a deficient number, since it is larger than the sum of its proper divisors (942931488987).

1200221202213 is a wasteful number, since it uses less digits than its factorization.

1200221202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10335479 (or 10335473 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1200221202213 its reverse (3122021220021), we get a palindrome (4322242422234).

The spelling of 1200221202213 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred two thousand, two hundred thirteen".