304021125421201 has 4 divisors (see below), whose sum is σ = 304021206148900. Its totient is φ = 304021044693504.

The previous prime is 304021125421157. The next prime is 304021125421249. The reversal of 304021125421201 is 102124521120403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31536940082176 + 272484185339025 = 5615776^2 + 16507095^2 .

It is a cyclic number.

It is not a de Polignac number, because 304021125421201 - 2²⁷ = 304020991203473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304021125421201.

It is not an unprimeable number, because it can be changed into a prime (304021125421291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34423416 + ... + 42343993.

It is an arithmetic number, because the mean of its divisors is an integer number (76005301537225).

Almost surely, 2^{304021125421201} is an apocalyptic number.

It is an amenable number.

304021125421201 is a deficient number, since it is larger than the sum of its proper divisors (80727699).

304021125421201 is an equidigital number, since it uses as much as digits as its factorization.

304021125421201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80727698.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 304021125421201 its reverse (102124521120403), we get a palindrome (406145646541604).

The spelling of 304021125421201 in words is "three hundred four trillion, twenty-one billion, one hundred twenty-five million, four hundred twenty-one thousand, two hundred one".