12432061264421 has 8 divisors (see below), whose sum is σ = 12523580013504. Its totient is φ = 12340553729760.

The previous prime is 12432061264367. The next prime is 12432061264451. The reversal of 12432061264421 is 12446216023421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432061264421 is a prime.

It is a super-2 number, since 2×12432061264421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432061264451) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 571775 + ... + 5019068.

It is an arithmetic number, because the mean of its divisors is an integer number (1565447501688).

Almost surely, 2^{12432061264421} is an apocalyptic number.

It is an amenable number.

12432061264421 is a deficient number, since it is larger than the sum of its proper divisors (91518749083).

12432061264421 is a wasteful number, since it uses less digits than its factorization.

12432061264421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607211.

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 12432061264421 its reverse (12446216023421), we get a palindrome (24878277287842).

The spelling of 12432061264421 in words is "twelve trillion, four hundred thirty-two billion, sixty-one million, two hundred sixty-four thousand, four hundred twenty-one".