12053204505 has 12 divisors (see below), whose sum is σ = 20892221220. Its totient is φ = 6428375712.

The previous prime is 12053204479. The next prime is 12053204531. The reversal of 12053204505 is 50540235021.

It is a happy number.

12053204505 is a `hidden beast` number, since 1 + 205 + 3 + 2 + 0 + 450 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (12053204479) and next prime (12053204531).

It can be written as a sum of positive squares in 2 ways, for example, as 6226630281 + 5826574224 = 78909^2 + 76332^2 .

It is not a de Polignac number, because 12053204505 - 2⁷ = 12053204377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133924450 + ... + 133924539.

It is an arithmetic number, because the mean of its divisors is an integer number (1741018435).

Almost surely, 2^12053204505 is an apocalyptic number.

12053204505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12053204505 is a deficient number, since it is larger than the sum of its proper divisors (8839016715).

12053204505 is a wasteful number, since it uses less digits than its factorization.

12053204505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267849000 (or 267848997 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 12053204505 its reverse (50540235021), we get a palindrome (62593439526).

The spelling of 12053204505 in words is "twelve billion, fifty-three million, two hundred four thousand, five hundred five".