123222021112 has 32 divisors (see below), whose sum is σ = 234452267280. Its totient is φ = 60705400320.

The previous prime is 123222021103. The next prime is 123222021151. The reversal of 123222021112 is 211120222321.

It is a self number, because there is not a number n which added to its sum of digits gives 123222021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089 + ... + 496432.

Almost surely, 2^123222021112 is an apocalyptic number.

It is an amenable number.

123222021112 is a deficient number, since it is larger than the sum of its proper divisors (111230246168).

123222021112 is a wasteful number, since it uses less digits than its factorization.

123222021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497983 (or 497979 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 123222021112 its reverse (211120222321), we get a palindrome (334342243433).

The spelling of 123222021112 in words is "one hundred twenty-three billion, two hundred twenty-two million, twenty-one thousand, one hundred twelve".