123222021108 has 48 divisors (see below), whose sum is σ = 303949638720. Its totient is φ = 38745195264.

The previous prime is 123222021103. The next prime is 123222021151. The reversal of 123222021108 is 801120222321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222021103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106635 + ... + 1212882.

It is an arithmetic number, because the mean of its divisors is an integer number (6332284140).

Almost surely, 2^123222021108 is an apocalyptic number.

It is an amenable number.

123222021108 is an abundant number, since it is smaller than the sum of its proper divisors (180727617612).

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

123222021108 is a wasteful number, since it uses less digits than its factorization.

123222021108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319776 (or 2319774 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 123222021108 its reverse (801120222321), we get a palindrome (924342243429).

The spelling of 123222021108 in words is "one hundred twenty-three billion, two hundred twenty-two million, twenty-one thousand, one hundred eight".