12421143333 has 48 divisors (see below), whose sum is σ = 18897854976. Its totient is φ = 7851634560.

The previous prime is 12421143299. The next prime is 12421143337. The reversal of 12421143333 is 33334112421.

It is a happy number.

12421143333 is a `hidden beast` number, since 12 + 4 + 211 + 433 + 3 + 3 = 666.

It is not a de Polignac number, because 12421143333 - 2¹⁰ = 12421142309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12421143297 and 12421143306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421143337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3680835 + ... + 3684207.

It is an arithmetic number, because the mean of its divisors is an integer number (393705312).

Almost surely, 2^12421143333 is an apocalyptic number.

It is an amenable number.

12421143333 is a deficient number, since it is larger than the sum of its proper divisors (6476711643).

12421143333 is a wasteful number, since it uses less digits than its factorization.

12421143333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674 (or 3671 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 12421143333 its reverse (33334112421), we get a palindrome (45755255754).

The spelling of 12421143333 in words is "twelve billion, four hundred twenty-one million, one hundred forty-three thousand, three hundred thirty-three".