12433333333421 has 32 divisors (see below), whose sum is σ = 16765353416448. Its totient is φ = 8904674557440.

The previous prime is 12433333333417. The next prime is 12433333333453.

12433333333421 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 12433333333421 - 2² = 12433333333417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12433333333621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26421086 + ... + 26887551.

It is an arithmetic number, because the mean of its divisors is an integer number (523917294264).

Almost surely, 2^{12433333333421} is an apocalyptic number.

12433333333421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12433333333421 is a deficient number, since it is larger than the sum of its proper divisors (4332020083027).

12433333333421 is a wasteful number, since it uses less digits than its factorization.

12433333333421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53308901.

The product of its digits is 419904, while the sum is 38.

It can be divided in two parts, 1243333 and 3333421, that added together give a palindrome (4576754).

The spelling of 12433333333421 in words is "twelve trillion, four hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, four hundred twenty-one".