12126143255 has 4 divisors (see below), whose sum is σ = 14551371912. Its totient is φ = 9700914600.

The previous prime is 12126143221. The next prime is 12126143269. The reversal of 12126143255 is 55234162121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55234162121 = 25189 ⋅2192789.

It is not a de Polignac number, because 12126143255 - 2²⁰ = 12125094679 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, 1212614321 + ... + 1212614330.

It is an arithmetic number, because the mean of its divisors is an integer number (3637842978).

Almost surely, 2^12126143255 is an apocalyptic number.

12126143255 is a deficient number, since it is larger than the sum of its proper divisors (2425228657).

12126143255 is an equidigital number, since it uses as much as digits as its factorization.

12126143255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425228656.

The product of its digits is 14400, while the sum is 32.

The spelling of 12126143255 in words is "twelve billion, one hundred twenty-six million, one hundred forty-three thousand, two hundred fifty-five".