12100024321 has 24 divisors (see below), whose sum is σ = 15350634432. Its totient is φ = 9335172000.

The previous prime is 12100024319. The next prime is 12100024337. The reversal of 12100024321 is 12342000121.

It is not a de Polignac number, because 12100024321 - 2¹ = 12100024319 is a prime.

It is a super-2 number, since 2×12100024321² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12100024295 and 12100024304.

It is not an unprimeable number, because it can be changed into a prime (12100024361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14826 + ... + 156268.

It is an arithmetic number, because the mean of its divisors is an integer number (639609768).

Almost surely, 2^12100024321 is an apocalyptic number.

12100024321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12100024321 is a deficient number, since it is larger than the sum of its proper divisors (3250610111).

12100024321 is a wasteful number, since it uses less digits than its factorization.

12100024321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141573 (or 141562 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12100024321 its reverse (12342000121), we get a palindrome (24442024442).

The spelling of 12100024321 in words is "twelve billion, one hundred million, twenty-four thousand, three hundred twenty-one".