12421211001333 has 4 divisors (see below), whose sum is σ = 16561614668448. Its totient is φ = 8280807334220.

The previous prime is 12421211001293. The next prime is 12421211001371. The reversal of 12421211001333 is 33310011212421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12421211001333 - 2¹⁶ = 12421210935797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421211001383) 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 3 ways as a sum of consecutive naturals, for example, 2070201833553 + ... + 2070201833558.

It is an arithmetic number, because the mean of its divisors is an integer number (4140403667112).

Almost surely, 2^{12421211001333} is an apocalyptic number.

It is an amenable number.

12421211001333 is a deficient number, since it is larger than the sum of its proper divisors (4140403667115).

12421211001333 is an equidigital number, since it uses as much as digits as its factorization.

12421211001333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140403667114.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12421211001333 its reverse (33310011212421), we get a palindrome (45731222213754).

The spelling of 12421211001333 in words is "twelve trillion, four hundred twenty-one billion, two hundred eleven million, one thousand, three hundred thirty-three".