1200112223200 has 72 divisors (see below), whose sum is σ = 3196117076040. Its totient is φ = 436404441600.

The previous prime is 1200112223197. The next prime is 1200112223207. The reversal of 1200112223200 is 23222110021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200112223207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68179395 + ... + 68196994.

It is an arithmetic number, because the mean of its divisors is an integer number (44390514945).

Almost surely, 2^{1200112223200} is an apocalyptic number.

1200112223200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200112223200 is an abundant number, since it is smaller than the sum of its proper divisors (1996004852840).

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

1200112223200 is a wasteful number, since it uses less digits than its factorization.

1200112223200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136376420 (or 136376407 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1200112223200 its reverse (23222110021), we get a palindrome (1223334333221).

The spelling of 1200112223200 in words is "one trillion, two hundred billion, one hundred twelve million, two hundred twenty-three thousand, two hundred".