12212123333 has 4 divisors (see below), whose sum is σ = 12247317120. Its totient is φ = 12176929548.

The previous prime is 12212123311. The next prime is 12212123461. The reversal of 12212123333 is 33332121221.

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 12212123333 - 2¹² = 12212119237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212123299 and 12212123308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212123303) 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, 17596373 + ... + 17597066.

It is an arithmetic number, because the mean of its divisors is an integer number (3061829280).

Almost surely, 2^12212123333 is an apocalyptic number.

It is an amenable number.

12212123333 is a deficient number, since it is larger than the sum of its proper divisors (35193787).

12212123333 is an equidigital number, since it uses as much as digits as its factorization.

12212123333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35193786.

The product of its digits is 1296, while the sum is 23.

Adding to 12212123333 its reverse (33332121221), we get a palindrome (45544244554).

The spelling of 12212123333 in words is "twelve billion, two hundred twelve million, one hundred twenty-three thousand, three hundred thirty-three".