1204208640001 has 4 divisors (see below), whose sum is σ = 1275044442372. Its totient is φ = 1133372837632.

The previous prime is 1204208639951. The next prime is 1204208640013. The reversal of 1204208640001 is 1000468024021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 669204166401 + 535004473600 = 818049^2 + 731440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204208640001 - 2⁷ = 1204208639873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204208640091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35417901160 + ... + 35417901193.

It is an arithmetic number, because the mean of its divisors is an integer number (318761110593).

Almost surely, 2^{1204208640001} is an apocalyptic number.

It is an amenable number.

1204208640001 is a deficient number, since it is larger than the sum of its proper divisors (70835802371).

1204208640001 is an equidigital number, since it uses as much as digits as its factorization.

1204208640001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70835802370.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 1204208640001 in words is "one trillion, two hundred four billion, two hundred eight million, six hundred forty thousand, one".