3123101323212 has 96 divisors (see below), whose sum is σ = 7899185640192. Its totient is φ = 954663480576.

The previous prime is 3123101323193. The next prime is 3123101323217. The reversal of 3123101323212 is 2123231013213.

It is not an unprimeable number, because it can be changed into a prime (3123101323217) 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 31 ways as a sum of consecutive naturals, for example, 248905923 + ... + 248918469.

It is an arithmetic number, because the mean of its divisors is an integer number (82283183752).

Almost surely, 2^{3123101323212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123101323212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3949592820096).

3123101323212 is an abundant number, since it is smaller than the sum of its proper divisors (4776084316980).

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

3123101323212 is a wasteful number, since it uses less digits than its factorization.

3123101323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22887 (or 22885 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3123101323212 its reverse (2123231013213), we get a palindrome (5246332336425).

The spelling of 3123101323212 in words is "three trillion, one hundred twenty-three billion, one hundred one million, three hundred twenty-three thousand, two hundred twelve".