1211202201202 has 64 divisors (see below), whose sum is σ = 2220963079680. Its totient is φ = 483560064000.

The previous prime is 1211202201191. The next prime is 1211202201203. The reversal of 1211202201202 is 2021022021121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1211202201203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101698824 + ... + 101710732.

It is an arithmetic number, because the mean of its divisors is an integer number (34702548120).

Almost surely, 2^{1211202201202} is an apocalyptic number.

1211202201202 is a deficient number, since it is larger than the sum of its proper divisors (1009760878478).

1211202201202 is a wasteful number, since it uses less digits than its factorization.

1211202201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16267.

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

Adding to 1211202201202 its reverse (2021022021121), we get a palindrome (3232224222323).

The spelling of 1211202201202 in words is "one trillion, two hundred eleven billion, two hundred two million, two hundred one thousand, two hundred two".