12042613303205 has 4 divisors (see below), whose sum is σ = 14451135963852. Its totient is φ = 9634090642560.

The previous prime is 12042613303183. The next prime is 12042613303247. The reversal of 12042613303205 is 50230331624021.

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 7787576728129 + 4255036575076 = 2790623^2 + 2062774^2 .

It is not a de Polignac number, because 12042613303205 - 2¹⁸ = 12042613041061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204261330316 + ... + 1204261330325.

It is an arithmetic number, because the mean of its divisors is an integer number (3612783990963).

Almost surely, 2^{12042613303205} is an apocalyptic number.

It is an amenable number.

12042613303205 is a deficient number, since it is larger than the sum of its proper divisors (2408522660647).

12042613303205 is an equidigital number, since it uses as much as digits as its factorization.

12042613303205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408522660646.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 12042613303205 its reverse (50230331624021), we get a palindrome (62272944927226).

The spelling of 12042613303205 in words is "twelve trillion, forty-two billion, six hundred thirteen million, three hundred three thousand, two hundred five".