12133445435255 has 4 divisors (see below), whose sum is σ = 14560134522312. Its totient is φ = 9706756348200.

The previous prime is 12133445435239. The next prime is 12133445435261. The reversal of 12133445435255 is 55253454433121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12133445435255 - 2⁴ = 12133445435239 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, 1213344543521 + ... + 1213344543530.

It is an arithmetic number, because the mean of its divisors is an integer number (3640033630578).

Almost surely, 2^{12133445435255} is an apocalyptic number.

12133445435255 is a deficient number, since it is larger than the sum of its proper divisors (2426689087057).

12133445435255 is an equidigital number, since it uses as much as digits as its factorization.

12133445435255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426689087056.

The product of its digits is 4320000, while the sum is 47.

Adding to 12133445435255 its reverse (55253454433121), we get a palindrome (67386899868376).

The spelling of 12133445435255 in words is "twelve trillion, one hundred thirty-three billion, four hundred forty-five million, four hundred thirty-five thousand, two hundred fifty-five".