12201440304021 has 8 divisors (see below), whose sum is σ = 16302550721280. Its totient is φ = 8117311711392.

The previous prime is 12201440304019. The next prime is 12201440304037. The reversal of 12201440304021 is 12040304410221.

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

It is not a de Polignac number, because 12201440304021 - 2¹ = 12201440304019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201440303982 and 12201440304000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201440304071) 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, 4245454480 + ... + 4245457353.

It is an arithmetic number, because the mean of its divisors is an integer number (2037818840160).

Almost surely, 2^{12201440304021} is an apocalyptic number.

It is an amenable number.

12201440304021 is a deficient number, since it is larger than the sum of its proper divisors (4101110417259).

12201440304021 is an equidigital number, since it uses as much as digits as its factorization.

12201440304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490912315.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12201440304021 its reverse (12040304410221), we get a palindrome (24241744714242).

The spelling of 12201440304021 in words is "twelve trillion, two hundred one billion, four hundred forty million, three hundred four thousand, twenty-one".