3212323121 has 4 divisors (see below), whose sum is σ = 3671226432. Its totient is φ = 2753419812.

The previous prime is 3212323117. The next prime is 3212323123. The reversal of 3212323121 is 1213232123.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1213232123 = 2477 ⋅489799.

It is a cyclic number.

It is not a de Polignac number, because 3212323121 - 2² = 3212323117 is a prime.

It is a super-2 number, since 2×3212323121² = 20638039667422361282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3212323093 and 3212323102.

It is not an unprimeable number, because it can be changed into a prime (3212323123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229451645 + ... + 229451658.

It is an arithmetic number, because the mean of its divisors is an integer number (917806608).

Almost surely, 2^3212323121 is an apocalyptic number.

It is an amenable number.

3212323121 is a deficient number, since it is larger than the sum of its proper divisors (458903311).

3212323121 is an equidigital number, since it uses as much as digits as its factorization.

3212323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458903310.

The product of its digits is 432, while the sum is 20.

The square root of 3212323121 is about 56677.3598626471. The cubic root of 3212323121 is about 1475.5017916968.

Adding to 3212323121 its reverse (1213232123), we get a palindrome (4425555244).

The spelling of 3212323121 in words is "three billion, two hundred twelve million, three hundred twenty-three thousand, one hundred twenty-one".