12431433413421 has 48 divisors (see below), whose sum is σ = 19622447889408. Its totient is φ = 7521317316000.

The previous prime is 12431433413407. The next prime is 12431433413437.

12431433413421 is a `hidden beast` number, since 1 + 2 + 4 + 314 + 334 + 1 + 3 + 4 + 2 + 1 = 666.

12431433413421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12431433413421 - 2¹⁷ = 12431433282349 is a prime.

It is a super-3 number, since 3×12431433413421³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431433413401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183139530 + ... + 183207396.

It is an arithmetic number, because the mean of its divisors is an integer number (408800997696).

Almost surely, 2^{12431433413421} is an apocalyptic number.

12431433413421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12431433413421 is a deficient number, since it is larger than the sum of its proper divisors (7191014475987).

12431433413421 is a wasteful number, since it uses less digits than its factorization.

12431433413421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71022 (or 71019 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

It can be divided in two parts, 1243143 and 3413421, that added together give a palindrome (4656564).

The spelling of 12431433413421 in words is "twelve trillion, four hundred thirty-one billion, four hundred thirty-three million, four hundred thirteen thousand, four hundred twenty-one".