33312412321 has 4 divisors (see below), whose sum is σ = 35065697200. Its totient is φ = 31559127444.

The previous prime is 33312412297. The next prime is 33312412327. The reversal of 33312412321 is 12321421333.

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 a de Polignac number, because none of the positive numbers 2^k-33312412321 is a prime.

It is a super-2 number, since 2×33312412321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33312412327) 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, 876642411 + ... + 876642448.

It is an arithmetic number, because the mean of its divisors is an integer number (8766424300).

Almost surely, 2^33312412321 is an apocalyptic number.

It is an amenable number.

33312412321 is a deficient number, since it is larger than the sum of its proper divisors (1753284879).

33312412321 is a wasteful number, since it uses less digits than its factorization.

33312412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753284878.

The product of its digits is 2592, while the sum is 25.

Adding to 33312412321 its reverse (12321421333), we get a palindrome (45633833654).

The spelling of 33312412321 in words is "thirty-three billion, three hundred twelve million, four hundred twelve thousand, three hundred twenty-one".