123133133221332 has 144 divisors (see below), whose sum is σ = 324655452051840. Its totient is φ = 36237916475904.

The previous prime is 123133133221331. The next prime is 123133133221333. The reversal of 123133133221332 is 233122331331321.

It is an interprime number because it is at equal distance from previous prime (123133133221331) and next prime (123133133221333).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 123133133221293 and 123133133221302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123133133221331) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1036790098 + ... + 1036908854.

It is an arithmetic number, because the mean of its divisors is an integer number (2254551750360).

Almost surely, 2^{123133133221332} is an apocalyptic number.

123133133221332 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 123133133221332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162327726025920).

123133133221332 is an abundant number, since it is smaller than the sum of its proper divisors (201522318830508).

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

123133133221332 is a wasteful number, since it uses less digits than its factorization.

123133133221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141042 (or 141027 counting only the distinct ones).

The product of its digits is 34992, while the sum is 33.

Adding to 123133133221332 its reverse (233122331331321), we get a palindrome (356255464552653).

The spelling of 123133133221332 in words is "one hundred twenty-three trillion, one hundred thirty-three billion, one hundred thirty-three million, two hundred twenty-one thousand, three hundred thirty-two".