12353520205 has 16 divisors (see below), whose sum is σ = 16019060400. Its totient is φ = 9091450368.

The previous prime is 12353520197. The next prime is 12353520217. The reversal of 12353520205 is 50202535321.

It can be written as a sum of positive squares in 8 ways, for example, as 985269321 + 11368250884 = 31389^2 + 106622^2 .

It is not a de Polignac number, because 12353520205 - 2³ = 12353520197 is a prime.

It is a super-2 number, since 2×12353520205² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305280 + ... + 343369.

It is an arithmetic number, because the mean of its divisors is an integer number (1001191275).

Almost surely, 2^12353520205 is an apocalyptic number.

It is an amenable number.

12353520205 is a deficient number, since it is larger than the sum of its proper divisors (3665540195).

12353520205 is a wasteful number, since it uses less digits than its factorization.

12353520205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648960.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 12353520205 in words is "twelve billion, three hundred fifty-three million, five hundred twenty thousand, two hundred five".