1200202111200 has 144 divisors (see below), whose sum is σ = 3953726695296. Its totient is φ = 316197772800.

The previous prime is 1200202111169. The next prime is 1200202111231. The reversal of 1200202111200 is 21112020021.

It is an interprime number because it is at equal distance from previous prime (1200202111169) and next prime (1200202111231).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2813356 + ... + 3211755.

It is an arithmetic number, because the mean of its divisors is an integer number (27456435384).

Almost surely, 2^{1200202111200} is an apocalyptic number.

1200202111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200202111200 is an abundant number, since it is smaller than the sum of its proper divisors (2753524584096).

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

1200202111200 is a wasteful number, since it uses less digits than its factorization.

1200202111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025217 (or 6025204 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200202111200 its reverse (21112020021), we get a palindrome (1221314131221).

The spelling of 1200202111200 in words is "one trillion, two hundred billion, two hundred two million, one hundred eleven thousand, two hundred".