12421004333043 has 4 divisors (see below), whose sum is σ = 16561339110728. Its totient is φ = 8280669555360.

The previous prime is 12421004332993. The next prime is 12421004333051. The reversal of 12421004333043 is 34033340012421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12421004333043 - 2¹² = 12421004328947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12421004333043.

It is not an unprimeable number, because it can be changed into a prime (12421004433043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2070167388838 + ... + 2070167388843.

It is an arithmetic number, because the mean of its divisors is an integer number (4140334777682).

Almost surely, 2^{12421004333043} is an apocalyptic number.

12421004333043 is a deficient number, since it is larger than the sum of its proper divisors (4140334777685).

12421004333043 is an equidigital number, since it uses as much as digits as its factorization.

12421004333043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140334777684.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 12421004333043 its reverse (34033340012421), we get a palindrome (46454344345464).

The spelling of 12421004333043 in words is "twelve trillion, four hundred twenty-one billion, four million, three hundred thirty-three thousand, forty-three".