12321020030000 has 100 divisors (see below), whose sum is σ = 32542278393768. Its totient is φ = 4480370880000.

The previous prime is 12321020029991. The next prime is 12321020030063. The reversal of 12321020030000 is 3002012321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×12321020030000² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55894637 + ... + 56114636.

Almost surely, 2^{12321020030000} is an apocalyptic number.

12321020030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321020030000 is an abundant number, since it is smaller than the sum of its proper divisors (20221258363768).

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

12321020030000 is a wasteful number, since it uses less digits than its factorization.

12321020030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112009312 (or 112009291 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12321020030000 its reverse (3002012321), we get a palindrome (12324022042321).

The spelling of 12321020030000 in words is "twelve trillion, three hundred twenty-one billion, twenty million, thirty thousand".