123300012132 has 120 divisors (see below), whose sum is σ = 352313593632. Its totient is φ = 37291363200.

The previous prime is 123300012131. The next prime is 123300012151. The reversal of 123300012132 is 231210003321.

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

It is not an unprimeable number, because it can be changed into a prime (123300012131) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1823643 + ... + 1890045.

Almost surely, 2^123300012132 is an apocalyptic number.

123300012132 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 123300012132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176156796816).

123300012132 is an abundant number, since it is smaller than the sum of its proper divisors (229013581500).

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

123300012132 is a wasteful number, since it uses less digits than its factorization.

123300012132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66951 (or 66940 counting only the distinct ones).

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

Adding to 123300012132 its reverse (231210003321), we get a palindrome (354510015453).

The spelling of 123300012132 in words is "one hundred twenty-three billion, three hundred million, twelve thousand, one hundred thirty-two".