12201033321 has 10 divisors (see below), whose sum is σ = 18226235082. Its totient is φ = 8134022160.

The previous prime is 12201033311. The next prime is 12201033337. The reversal of 12201033321 is 12333010221.

It can be written as a sum of positive squares in only one way, i.e., 12113423721 + 87609600 = 110061^2 + 9360^2 .

It is not a de Polignac number, because 12201033321 - 2¹⁴ = 12201016937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201033294 and 12201033303.

It is not an unprimeable number, because it can be changed into a prime (12201033301) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 75314940 + ... + 75315101.

Almost surely, 2^12201033321 is an apocalyptic number.

It is an amenable number.

12201033321 is a deficient number, since it is larger than the sum of its proper divisors (6025201761).

12201033321 is an equidigital number, since it uses as much as digits as its factorization.

12201033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150630053 (or 150630044 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12201033321 its reverse (12333010221), we get a palindrome (24534043542).

The spelling of 12201033321 in words is "twelve billion, two hundred one million, thirty-three thousand, three hundred twenty-one".