12421132432134 has 8 divisors (see below), whose sum is σ = 24842264864280. Its totient is φ = 4140377477376.

The previous prime is 12421132432019. The next prime is 12421132432139. The reversal of 12421132432134 is 43123423112421.

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

12421132432134 is an admirable number.

It is a super-2 number, since 2×12421132432134² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12421132432095 and 12421132432104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421132432139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035094369339 + ... + 1035094369350.

It is an arithmetic number, because the mean of its divisors is an integer number (3105283108035).

Almost surely, 2^{12421132432134} is an apocalyptic number.

12421132432134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12421132432134 is a wasteful number, since it uses less digits than its factorization.

12421132432134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070188738694.

The product of its digits is 27648, while the sum is 33.

Adding to 12421132432134 its reverse (43123423112421), we get a palindrome (55544555544555).

It can be divided in two parts, 1242113243 and 2134, that multiplied together give a palindrome (2650669660562).

The spelling of 12421132432134 in words is "twelve trillion, four hundred twenty-one billion, one hundred thirty-two million, four hundred thirty-two thousand, one hundred thirty-four".