123331120000 has 320 divisors, whose sum is σ = 336826868400. Its totient is φ = 44595200000.

The previous prime is 123331119997. The next prime is 123331120019. The reversal of 123331120000 is 21133321.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 236719740 + ... + 236720260.

Almost surely, 2^123331120000 is an apocalyptic number.

123331120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123331120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168413434200).

123331120000 is an abundant number, since it is smaller than the sum of its proper divisors (213495748400).

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

123331120000 is an equidigital number, since it uses as much as digits as its factorization.

123331120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123331120000 its reverse (21133321), we get a palindrome (123352253321).

The spelling of 123331120000 in words is "one hundred twenty-three billion, three hundred thirty-one million, one hundred twenty thousand".