123103033022112 has 384 divisors, whose sum is σ = 382235371822080. Its totient is φ = 34199251107840.

The previous prime is 123103033022071. The next prime is 123103033022113. The reversal of 123103033022112 is 211220330301321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (123103033022113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3331863223 + ... + 3331900169.

It is an arithmetic number, because the mean of its divisors is an integer number (995404614120).

Almost surely, 2^{123103033022112} is an apocalyptic number.

123103033022112 is a gapful number since it is divisible by the number (12) 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 123103033022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191117685911040).

123103033022112 is an abundant number, since it is smaller than the sum of its proper divisors (259132338799968).

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

123103033022112 is a wasteful number, since it uses less digits than its factorization.

123103033022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38636 (or 38628 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123103033022112 its reverse (211220330301321), we get a palindrome (334323363323433).

The spelling of 123103033022112 in words is "one hundred twenty-three trillion, one hundred three billion, thirty-three million, twenty-two thousand, one hundred twelve".