12301021 has 4 divisors (see below), whose sum is σ = 12835872. Its totient is φ = 11766172.

The previous prime is 12301007. The next prime is 12301027. The reversal of 12301021 is 12010321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12301021 - 2¹⁵ = 12268253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12300989 and 12301007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301027) 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, 267391 + ... + 267436.

It is an arithmetic number, because the mean of its divisors is an integer number (3208968).

Almost surely, 2^12301021 is an apocalyptic number.

It is an amenable number.

12301021 is a deficient number, since it is larger than the sum of its proper divisors (534851).

12301021 is an equidigital number, since it uses as much as digits as its factorization.

12301021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534850.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12301021 is about 3507.2811407128. The cubic root of 12301021 is about 230.8414108599.

Adding to 12301021 its reverse (12010321), we get a palindrome (24311342).

The spelling of 12301021 in words is "twelve million, three hundred one thousand, twenty-one".