12134511543121 has 8 divisors (see below), whose sum is σ = 13247918676000. Its totient is φ = 11022816030240.

The previous prime is 12134511543059. The next prime is 12134511543163.

12134511543121 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12134511543121 - 2²⁷ = 12134377325393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12134511543221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427890171 + ... + 427918528.

It is an arithmetic number, because the mean of its divisors is an integer number (1655989834500).

Almost surely, 2^{12134511543121} is an apocalyptic number.

12134511543121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12134511543121 is a deficient number, since it is larger than the sum of its proper divisors (1113407132879).

12134511543121 is a wasteful number, since it uses less digits than its factorization.

12134511543121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855809999.

The product of its digits is 14400, while the sum is 34.

It can be divided in two parts, 1213451 and 1543121, that added together give a palindrome (2756572).

The spelling of 12134511543121 in words is "twelve trillion, one hundred thirty-four billion, five hundred eleven million, five hundred forty-three thousand, one hundred twenty-one".