12301020 has 72 divisors (see below), whose sum is σ = 38342304. Its totient is φ = 3189888.

The previous prime is 12301007. The next prime is 12301027. The reversal of 12301020 is 2010321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12300993 and 12301011.

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 23 ways as a sum of consecutive naturals, for example, 5737 + ... + 7583.

It is an arithmetic number, because the mean of its divisors is an integer number (532532).

Almost surely, 2^12301020 is an apocalyptic number.

12301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12301020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19171152).

12301020 is an abundant number, since it is smaller than the sum of its proper divisors (26041284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12301020 is a wasteful number, since it uses less digits than its factorization.

12301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 12301020 is about 3507.2809981523. The cubic root of 12301020 is about 230.8414046045.

Adding to 12301020 its reverse (2010321), we get a palindrome (14311341).

The spelling of 12301020 in words is "twelve million, three hundred one thousand, twenty".