123321001112 has 16 divisors (see below), whose sum is σ = 244828458360. Its totient is φ = 58033412224.

The previous prime is 123321001099. The next prime is 123321001123. The reversal of 123321001112 is 211100123321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453385898 + ... + 453386169.

Almost surely, 2^123321001112 is an apocalyptic number.

It is an amenable number.

123321001112 is a deficient number, since it is larger than the sum of its proper divisors (121507457248).

123321001112 is a wasteful number, since it uses less digits than its factorization.

123321001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906772090 (or 906772086 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123321001112 its reverse (211100123321), we get a palindrome (334421124433).

The spelling of 123321001112 in words is "one hundred twenty-three billion, three hundred twenty-one million, one thousand, one hundred twelve".