12354332310205 has 4 divisors (see below), whose sum is σ = 14825198772252. Its totient is φ = 9883465848160.

The previous prime is 12354332310191. The next prime is 12354332310263. The reversal of 12354332310205 is 50201323345321.

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 5811469668601 + 6542862641604 = 2410699^2 + 2557902^2 .

It is not a de Polignac number, because 12354332310205 - 2¹⁵ = 12354332277437 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, 1235433231016 + ... + 1235433231025.

It is an arithmetic number, because the mean of its divisors is an integer number (3706299693063).

Almost surely, 2^{12354332310205} is an apocalyptic number.

It is an amenable number.

12354332310205 is a deficient number, since it is larger than the sum of its proper divisors (2470866462047).

12354332310205 is an equidigital number, since it uses as much as digits as its factorization.

12354332310205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470866462046.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 12354332310205 its reverse (50201323345321), we get a palindrome (62555655655526).

The spelling of 12354332310205 in words is "twelve trillion, three hundred fifty-four billion, three hundred thirty-two million, three hundred ten thousand, two hundred five".