3123212232112 has 40 divisors (see below), whose sum is σ = 6916518401792. Its totient is φ = 1338358075200.

The previous prime is 3123212232011. The next prime is 3123212232131. The reversal of 3123212232112 is 2112322123213.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 746814 + ... + 2608477.

Almost surely, 2^{3123212232112} is an apocalyptic number.

It is an amenable number.

3123212232112 is an abundant number, since it is smaller than the sum of its proper divisors (3793306169680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123212232112 is a wasteful number, since it uses less digits than its factorization.

3123212232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363617 (or 3363611 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 3123212232112 its reverse (2112322123213), we get a palindrome (5235534355325).

The spelling of 3123212232112 in words is "three trillion, one hundred twenty-three billion, two hundred twelve million, two hundred thirty-two thousand, one hundred twelve".