1205241020013 has 16 divisors (see below), whose sum is σ = 1702257655680. Its totient is φ = 755900361216.

The previous prime is 1205241019991. The next prime is 1205241020021. The reversal of 1205241020013 is 3100201425021.

It is not a de Polignac number, because 1205241020013 - 2⁸ = 1205241019757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205241020023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5026993 + ... + 5261286.

It is an arithmetic number, because the mean of its divisors is an integer number (106391103480).

Almost surely, 2^{1205241020013} is an apocalyptic number.

It is an amenable number.

1205241020013 is a deficient number, since it is larger than the sum of its proper divisors (497016635667).

1205241020013 is a wasteful number, since it uses less digits than its factorization.

1205241020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10290596.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1205241020013 its reverse (3100201425021), we get a palindrome (4305442445034).

The spelling of 1205241020013 in words is "one trillion, two hundred five billion, two hundred forty-one million, twenty thousand, thirteen".