12323112101212 has 48 divisors (see below), whose sum is σ = 24103244632320. Its totient is φ = 5465588083200.

The previous prime is 12323112101197. The next prime is 12323112101221. The reversal of 12323112101212 is 21210121132321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20030262 + ... + 20636317.

It is an arithmetic number, because the mean of its divisors is an integer number (502150929840).

Almost surely, 2^{12323112101212} is an apocalyptic number.

It is an amenable number.

12323112101212 is a deficient number, since it is larger than the sum of its proper divisors (11780132531108).

12323112101212 is a wasteful number, since it uses less digits than its factorization.

12323112101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40666762 (or 40666760 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12323112101212 its reverse (21210121132321), we get a palindrome (33533233233533).

The spelling of 12323112101212 in words is "twelve trillion, three hundred twenty-three billion, one hundred twelve million, one hundred one thousand, two hundred twelve".