1200100210202 has 64 divisors (see below), whose sum is σ = 1974476528640. Its totient is φ = 545143737600.

The previous prime is 1200100210189. The next prime is 1200100210219. The reversal of 1200100210202 is 2020120010021.

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 31 ways as a sum of consecutive naturals, for example, 27937913 + ... + 27980835.

It is an arithmetic number, because the mean of its divisors is an integer number (30851195760).

Almost surely, 2^{1200100210202} is an apocalyptic number.

1200100210202 is a deficient number, since it is larger than the sum of its proper divisors (774376318438).

1200100210202 is a wasteful number, since it uses less digits than its factorization.

1200100210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43299.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200100210202 its reverse (2020120010021), we get a palindrome (3220220220223).

The spelling of 1200100210202 in words is "one trillion, two hundred billion, one hundred million, two hundred ten thousand, two hundred two".