1200100010202 has 64 divisors (see below), whose sum is σ = 2687584838400. Its totient is φ = 396937393920.

The previous prime is 1200100010173. The next prime is 1200100010231. The reversal of 1200100010202 is 2020100010021.

It is an interprime number because it is at equal distance from previous prime (1200100010173) and next prime (1200100010231).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5014302 + ... + 5248182.

It is an arithmetic number, because the mean of its divisors is an integer number (41993513100).

Almost surely, 2^{1200100010202} is an apocalyptic number.

1200100010202 is an abundant number, since it is smaller than the sum of its proper divisors (1487484828198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200100010202 is a wasteful number, since it uses less digits than its factorization.

1200100010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234628 (or 234622 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1200100010202 its reverse (2020100010021), we get a palindrome (3220200020223).

The spelling of 1200100010202 in words is "one trillion, two hundred billion, one hundred million, ten thousand, two hundred two".