12355122854 has 4 divisors (see below), whose sum is σ = 18532684284. Its totient is φ = 6177561426.

The previous prime is 12355122841. The next prime is 12355122863. The reversal of 12355122854 is 45822155321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45822155321 = 2143 ⋅21382247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3088780712 + ... + 3088780715.

It is an arithmetic number, because the mean of its divisors is an integer number (4633171071).

Almost surely, 2^12355122854 is an apocalyptic number.

12355122854 is a deficient number, since it is larger than the sum of its proper divisors (6177561430).

12355122854 is an equidigital number, since it uses as much as digits as its factorization.

12355122854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177561429.

The product of its digits is 96000, while the sum is 38.

The spelling of 12355122854 in words is "twelve billion, three hundred fifty-five million, one hundred twenty-two thousand, eight hundred fifty-four".