123120230330000 has 200 divisors, whose sum is σ = 315681509199672. Its totient is φ = 46342242304000.

The previous prime is 123120230329991. The next prime is 123120230330029. The reversal of 123120230330000 is 33032021321.

It can be written as a sum of positive squares in 20 ways, for example, as 115097536635904 + 8022693694096 = 10728352^2 + 2832436^2 .

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×123120230330000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 920823152 + ... + 920956848.

Almost surely, 2^{123120230330000} is an apocalyptic number.

123120230330000 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 123120230330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157840754599836).

123120230330000 is an abundant number, since it is smaller than the sum of its proper divisors (192561278869672).

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

123120230330000 is a wasteful number, since it uses less digits than its factorization.

123120230330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139159 (or 139138 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123120230330000 its reverse (33032021321), we get a palindrome (123153262351321).

The spelling of 123120230330000 in words is "one hundred twenty-three trillion, one hundred twenty billion, two hundred thirty million, three hundred thirty thousand".