12541412918 has 4 divisors (see below), whose sum is σ = 18812119380. Its totient is φ = 6270706458.

The previous prime is 12541412899. The next prime is 12541412971. The reversal of 12541412918 is 81921414521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81921414521 = 41 ⋅1998083281.

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, 3135353228 + ... + 3135353231.

It is an arithmetic number, because the mean of its divisors is an integer number (4703029845).

Almost surely, 2^12541412918 is an apocalyptic number.

12541412918 is a deficient number, since it is larger than the sum of its proper divisors (6270706462).

12541412918 is an equidigital number, since it uses as much as digits as its factorization.

12541412918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6270706461.

The product of its digits is 23040, while the sum is 38.

The spelling of 12541412918 in words is "twelve billion, five hundred forty-one million, four hundred twelve thousand, nine hundred eighteen".