12541211054 has 4 divisors (see below), whose sum is σ = 18811816584. Its totient is φ = 6270605526.

The previous prime is 12541211021. The next prime is 12541211069. The reversal of 12541211054 is 45011214521.

It is a happy number.

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

It is a super-3 number, since 3×12541211054³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3135302762 + ... + 3135302765.

It is an arithmetic number, because the mean of its divisors is an integer number (4702954146).

Almost surely, 2^12541211054 is an apocalyptic number.

12541211054 is a deficient number, since it is larger than the sum of its proper divisors (6270605530).

12541211054 is an equidigital number, since it uses as much as digits as its factorization.

12541211054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270605529.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 12541211054 its reverse (45011214521), we get a palindrome (57552425575).

The spelling of 12541211054 in words is "twelve billion, five hundred forty-one million, two hundred eleven thousand, fifty-four".