1201221201202 has 16 divisors (see below), whose sum is σ = 1966908652992. Its totient is φ = 545655759120.

The previous prime is 1201221201161. The next prime is 1201221201247. The reversal of 1201221201202 is 2021021221021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17659173 + ... + 17727064.

It is an arithmetic number, because the mean of its divisors is an integer number (122931790812).

Almost surely, 2^{1201221201202} is an apocalyptic number.

1201221201202 is a deficient number, since it is larger than the sum of its proper divisors (765687451790).

1201221201202 is a wasteful number, since it uses less digits than its factorization.

1201221201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35387793.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1201221201202 its reverse (2021021221021), we get a palindrome (3222242422223).

The spelling of 1201221201202 in words is "one trillion, two hundred one billion, two hundred twenty-one million, two hundred one thousand, two hundred two".