123330221331000 has 256 divisors, whose sum is σ = 385166391667200. Its totient is φ = 32855932800000.

The previous prime is 123330221330983. The next prime is 123330221331041. The reversal of 123330221331000 is 133122033321.

It is a super-2 number, since 2×123330221331000² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17145863404 + ... + 17145870596.

It is an arithmetic number, because the mean of its divisors is an integer number (1504556217450).

Almost surely, 2^{123330221331000} is an apocalyptic number.

123330221331000 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 123330221331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192583195833600).

123330221331000 is an abundant number, since it is smaller than the sum of its proper divisors (261836170336200).

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

123330221331000 is a wasteful number, since it uses less digits than its factorization.

123330221331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007 (or 11993 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 123330221331000 its reverse (133122033321), we get a palindrome (123463343364321).

The spelling of 123330221331000 in words is "one hundred twenty-three trillion, three hundred thirty billion, two hundred twenty-one million, three hundred thirty-one thousand".