3123212323211 has 4 divisors (see below), whose sum is σ = 3124519656000. Its totient is φ = 3121904990424.

The previous prime is 3123212323207. The next prime is 3123212323229. The reversal of 3123212323211 is 1123232123213.

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

It is a cyclic number.

It is not a de Polignac number, because 3123212323211 - 2² = 3123212323207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123212322211) 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, 653662811 + ... + 653667588.

It is an arithmetic number, because the mean of its divisors is an integer number (781129914000).

Almost surely, 2^{3123212323211} is an apocalyptic number.

3123212323211 is a deficient number, since it is larger than the sum of its proper divisors (1307332789).

3123212323211 is a wasteful number, since it uses less digits than its factorization.

3123212323211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307332788.

The product of its digits is 2592, while the sum is 26.

Adding to 3123212323211 its reverse (1123232123213), we get a palindrome (4246444446424).

The spelling of 3123212323211 in words is "three trillion, one hundred twenty-three billion, two hundred twelve million, three hundred twenty-three thousand, two hundred eleven".