123130030303120 has 20 divisors (see below), whose sum is σ = 286277320454940. Its totient is φ = 49252012121216.

The previous prime is 123130030303103. The next prime is 123130030303139. The reversal of 123130030303120 is 21303030031321.

It can be written as a sum of positive squares in 2 ways, for example, as 57157168375696 + 65972861927424 = 7560236^2 + 8122368^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×123130030303120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123130030303091 and 123130030303100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769562689315 + ... + 769562689474.

It is an arithmetic number, because the mean of its divisors is an integer number (14313866022747).

Almost surely, 2^{123130030303120} is an apocalyptic number.

123130030303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123130030303120 is an abundant number, since it is smaller than the sum of its proper divisors (163147290151820).

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

123130030303120 is a wasteful number, since it uses less digits than its factorization.

123130030303120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539125378802 (or 1539125378796 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123130030303120 its reverse (21303030031321), we get a palindrome (144433060334441).

The spelling of 123130030303120 in words is "one hundred twenty-three trillion, one hundred thirty billion, thirty million, three hundred three thousand, one hundred twenty".