1200640000104 has 64 divisors (see below), whose sum is σ = 3442695360000. Its totient is φ = 387303223680.

The previous prime is 1200640000033. The next prime is 1200640000117. The reversal of 1200640000104 is 4010000460021.

1200640000104 is a `hidden beast` number, since 1 + 20 + 0 + 640 + 0 + 0 + 0 + 1 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 89646829 + ... + 89660220.

It is an arithmetic number, because the mean of its divisors is an integer number (53792115000).

Almost surely, 2^{1200640000104} is an apocalyptic number.

It is an amenable number.

1200640000104 is an abundant number, since it is smaller than the sum of its proper divisors (2242055359896).

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

1200640000104 is a wasteful number, since it uses less digits than its factorization.

1200640000104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179307095 (or 179307085 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1200640000104 its reverse (4010000460021), we get a palindrome (5210640460125).

The spelling of 1200640000104 in words is "one trillion, two hundred billion, six hundred forty million, one hundred four", and thus it is an aban number.