12321002210100 has 72 divisors (see below), whose sum is σ = 35709497341728. Its totient is φ = 3280003267200.

The previous prime is 12321002210057. The next prime is 12321002210131. The reversal of 12321002210100 is 101220012321.

It is a super-2 number, since 2×12321002210100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12321002210100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34806871 + ... + 35159070.

Almost surely, 2^{12321002210100} is an apocalyptic number.

12321002210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321002210100 is an abundant number, since it is smaller than the sum of its proper divisors (23388495131628).

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

12321002210100 is a wasteful number, since it uses less digits than its factorization.

12321002210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69966545 (or 69966538 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12321002210100 its reverse (101220012321), we get a palindrome (12422222222421).

The spelling of 12321002210100 in words is "twelve trillion, three hundred twenty-one billion, two million, two hundred ten thousand, one hundred".