12100321021230 has 72 divisors (see below), whose sum is σ = 34067057687208. Its totient is φ = 2978540555328.

The previous prime is 12100321021219. The next prime is 12100321021273. The reversal of 12100321021230 is 3212012300121.

12100321021230 is a `hidden beast` number, since 1 + 2 + 100 + 321 + 0 + 212 + 30 = 666.

It is a super-2 number, since 2×12100321021230² (a number of 27 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 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 35 ways as a sum of consecutive naturals, for example, 397759972 + ... + 397790391.

It is an arithmetic number, because the mean of its divisors is an integer number (473153578989).

Almost surely, 2^{12100321021230} is an apocalyptic number.

12100321021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100321021230 is an abundant number, since it is smaller than the sum of its proper divisors (21966736665978).

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

12100321021230 is a wasteful number, since it uses less digits than its factorization.

12100321021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795550402 (or 795550386 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12100321021230 its reverse (3212012300121), we get a palindrome (15312333321351).

The spelling of 12100321021230 in words is "twelve trillion, one hundred billion, three hundred twenty-one million, twenty-one thousand, two hundred thirty".