12340405054 has 4 divisors (see below), whose sum is σ = 18510607584. Its totient is φ = 6170202526.

The previous prime is 12340405031. The next prime is 12340405067. The reversal of 12340405054 is 45050404321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45050404321 = 13 ⋅3465415717.

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, 3085101262 + ... + 3085101265.

It is an arithmetic number, because the mean of its divisors is an integer number (4627651896).

Almost surely, 2^12340405054 is an apocalyptic number.

12340405054 is a deficient number, since it is larger than the sum of its proper divisors (6170202530).

12340405054 is an equidigital number, since it uses as much as digits as its factorization.

12340405054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170202529.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 12340405054 its reverse (45050404321), we get a palindrome (57390809375).

The spelling of 12340405054 in words is "twelve billion, three hundred forty million, four hundred five thousand, fifty-four".