123330121002 has 96 divisors (see below), whose sum is σ = 304301702016. Its totient is φ = 35733772800.

The previous prime is 123330120989. The next prime is 123330121027. The reversal of 123330121002 is 200121033321.

123330121002 is a `hidden beast` number, since 123 + 330 + 1 + 210 + 0 + 2 = 666.

It is a super-2 number, since 2×123330121002² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18909502 + ... + 18916022.

It is an arithmetic number, because the mean of its divisors is an integer number (3169809396).

Almost surely, 2^123330121002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123330121002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152150851008).

123330121002 is an abundant number, since it is smaller than the sum of its proper divisors (180971581014).

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

123330121002 is a wasteful number, since it uses less digits than its factorization.

123330121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716 (or 10713 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123330121002 its reverse (200121033321), we get a palindrome (323451154323).

The spelling of 123330121002 in words is "one hundred twenty-three billion, three hundred thirty million, one hundred twenty-one thousand, two".