12003416421 has 12 divisors (see below), whose sum is σ = 16891235712. Its totient is φ = 7581104424.

The previous prime is 12003416377. The next prime is 12003416431. The reversal of 12003416421 is 12461430021.

It is not a de Polignac number, because 12003416421 - 2⁶ = 12003416357 is a prime.

It is a super-3 number, since 3×12003416421³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12003416391 and 12003416400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003416431) 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 11 ways as a sum of consecutive naturals, for example, 5540661 + ... + 5542826.

It is an arithmetic number, because the mean of its divisors is an integer number (1407602976).

Almost surely, 2^12003416421 is an apocalyptic number.

It is an amenable number.

12003416421 is a deficient number, since it is larger than the sum of its proper divisors (4887819291).

12003416421 is a wasteful number, since it uses less digits than its factorization.

12003416421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083528 (or 11083509 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12003416421 its reverse (12461430021), we get a palindrome (24464846442).

The spelling of 12003416421 in words is "twelve billion, three million, four hundred sixteen thousand, four hundred twenty-one".