123201202112 has 112 divisors (see below), whose sum is σ = 264040132320. Its totient is φ = 56822464512.

The previous prime is 123201202063. The next prime is 123201202127. The reversal of 123201202112 is 211202102321.

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 15 ways as a sum of consecutive naturals, for example, 22657058 + ... + 22662494.

Almost surely, 2^123201202112 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 123201202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132020066160).

123201202112 is an abundant number, since it is smaller than the sum of its proper divisors (140838930208).

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

123201202112 is a wasteful number, since it uses less digits than its factorization.

123201202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878 (or 5868 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123201202112 its reverse (211202102321), we get a palindrome (334403304433).

The spelling of 123201202112 in words is "one hundred twenty-three billion, two hundred one million, two hundred two thousand, one hundred twelve".