12200311021 has 8 divisors (see below), whose sum is σ = 12242149920. Its totient is φ = 12158540208.

The previous prime is 12200311003. The next prime is 12200311033. The reversal of 12200311021 is 12011300221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200311021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200310992 and 12200311010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200311421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355810 + ... + 388588.

It is an arithmetic number, because the mean of its divisors is an integer number (1530268740).

Almost surely, 2^12200311021 is an apocalyptic number.

It is an amenable number.

12200311021 is a deficient number, since it is larger than the sum of its proper divisors (41838899).

12200311021 is an equidigital number, since it uses as much as digits as its factorization.

12200311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34043.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12200311021 its reverse (12011300221), we get a palindrome (24211611242).

The spelling of 12200311021 in words is "twelve billion, two hundred million, three hundred eleven thousand, twenty-one".