12205512355 has 16 divisors (see below), whose sum is σ = 16008447744. Its totient is φ = 8893578240.

The previous prime is 12205512331. The next prime is 12205512383. The reversal of 12205512355 is 55321550221.

12205512355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12205512355 - 2¹³ = 12205504163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2313402 + ... + 2318671.

It is an arithmetic number, because the mean of its divisors is an integer number (1000527984).

Almost surely, 2^12205512355 is an apocalyptic number.

12205512355 is a deficient number, since it is larger than the sum of its proper divisors (3802935389).

12205512355 is a wasteful number, since it uses less digits than its factorization.

12205512355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632126.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 12205512355 in words is "twelve billion, two hundred five million, five hundred twelve thousand, three hundred fifty-five".