13135412120305 has 8 divisors (see below), whose sum is σ = 15763061890944. Its totient is φ = 10507951465200.

The previous prime is 13135412120291. The next prime is 13135412120353. The reversal of 13135412120305 is 50302121453131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13135412120305 - 2³³ = 13126822185713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47126031 + ... + 47403940.

It is an arithmetic number, because the mean of its divisors is an integer number (1970382736368).

Almost surely, 2^{13135412120305} is an apocalyptic number.

It is an amenable number.

13135412120305 is a deficient number, since it is larger than the sum of its proper divisors (2627649770639).

13135412120305 is an equidigital number, since it uses as much as digits as its factorization.

13135412120305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94557767.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 13135412120305 its reverse (50302121453131), we get a palindrome (63437533573436).

The spelling of 13135412120305 in words is "thirteen trillion, one hundred thirty-five billion, four hundred twelve million, one hundred twenty thousand, three hundred five".