1204401444013 has 4 divisors (see below), whose sum is σ = 1204404666268. Its totient is φ = 1204398221760.

The previous prime is 1204401444011. The next prime is 1204401444017. The reversal of 1204401444013 is 3104441044021.

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 109308261924 + 1095093182089 = 330618^2 + 1046467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204401444013 - 2¹ = 1204401444011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204401444011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963756 + ... + 1826917.

It is an arithmetic number, because the mean of its divisors is an integer number (301101166567).

Almost surely, 2^{1204401444013} is an apocalyptic number.

It is an amenable number.

1204401444013 is a deficient number, since it is larger than the sum of its proper divisors (3222255).

1204401444013 is an equidigital number, since it uses as much as digits as its factorization.

1204401444013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222254.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1204401444013 its reverse (3104441044021), we get a palindrome (4308842488034).

The spelling of 1204401444013 in words is "one trillion, two hundred four billion, four hundred one million, four hundred forty-four thousand, thirteen".