1200343243104 has 108 divisors (see below), whose sum is σ = 3544584167124. Its totient is φ = 400114344384.

The previous prime is 1200343243061. The next prime is 1200343243159. The reversal of 1200343243104 is 4013423430021.

1200343243104 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 343 + 2 + 4 + 310 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2648662 + ... + 3068565.

Almost surely, 2^{1200343243104} is an apocalyptic number.

It is an amenable number.

1200343243104 is an abundant number, since it is smaller than the sum of its proper divisors (2344240924020).

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

1200343243104 is an frugal number, since it uses more digits than its factorization.

1200343243104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717261 (or 5717232 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1200343243104 its reverse (4013423430021), we get a palindrome (5213766673125).

The spelling of 1200343243104 in words is "one trillion, two hundred billion, three hundred forty-three million, two hundred forty-three thousand, one hundred four".