1200202111210 has 16 divisors (see below), whose sum is σ = 2160451326600. Its totient is φ = 480061394176.

The previous prime is 1200202111169. The next prime is 1200202111231. The reversal of 1200202111210 is 121112020021.

It can be written as a sum of positive squares in 4 ways, for example, as 1198790681449 + 1411429761 = 1094893^2 + 37569^2 .

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, 2170795 + ... + 2666974.

Almost surely, 2^{1200202111210} is an apocalyptic number.

1200202111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200202111210 is a deficient number, since it is larger than the sum of its proper divisors (960249215390).

1200202111210 is a wasteful number, since it uses less digits than its factorization.

1200202111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862585.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200202111210 its reverse (121112020021), we get a palindrome (1321314131231).

The spelling of 1200202111210 in words is "one trillion, two hundred billion, two hundred two million, one hundred eleven thousand, two hundred ten".