12301312020 has 24 divisors (see below), whose sum is σ = 34443673824. Its totient is φ = 3280349856.

The previous prime is 12301312007. The next prime is 12301312039. The reversal of 12301312020 is 2021310321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102510874 + ... + 102510993.

It is an arithmetic number, because the mean of its divisors is an integer number (1435153076).

Almost surely, 2^12301312020 is an apocalyptic number.

12301312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12301312020 is an abundant number, since it is smaller than the sum of its proper divisors (22142361804).

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

12301312020 is a wasteful number, since it uses less digits than its factorization.

12301312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205021879 (or 205021877 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12301312020 its reverse (2021310321), we get a palindrome (14322622341).

The spelling of 12301312020 in words is "twelve billion, three hundred one million, three hundred twelve thousand, twenty".