122321331000 has 192 divisors, whose sum is σ = 451032472800. Its totient is φ = 29653632000.

The previous prime is 122321330947. The next prime is 122321331007. The reversal of 122321331000 is 133123221.

122321331000 is a `hidden beast` number, since 12 + 2 + 321 + 331 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×122321331000² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122321331007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 518785 + ... + 716784.

Almost surely, 2^122321331000 is an apocalyptic number.

122321331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122321331000 is an abundant number, since it is smaller than the sum of its proper divisors (328711141800).

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

122321331000 is a wasteful number, since it uses less digits than its factorization.

122321331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235607 (or 1235590 counting only the distinct ones).

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

Adding to 122321331000 its reverse (133123221), we get a palindrome (122454454221).

The spelling of 122321331000 in words is "one hundred twenty-two billion, three hundred twenty-one million, three hundred thirty-one thousand".