12302320231220 has 24 divisors (see below), whose sum is σ = 25835305722408. Its totient is φ = 4920845571200.

The previous prime is 12302320231193. The next prime is 12302320231249. The reversal of 12302320231220 is 2213202320321.

12302320231220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 247577895184 + 12054742336036 = 497572^2 + 3471994^2 .

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, 3927971 + ... + 6327210.

It is an arithmetic number, because the mean of its divisors is an integer number (1076471071767).

Almost surely, 2^{12302320231220} is an apocalyptic number.

12302320231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302320231220 is an abundant number, since it is smaller than the sum of its proper divisors (13532985491188).

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

12302320231220 is a wasteful number, since it uses less digits than its factorization.

12302320231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10315171 (or 10315169 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12302320231220 its reverse (2213202320321), we get a palindrome (14515522551541).

The spelling of 12302320231220 in words is "twelve trillion, three hundred two billion, three hundred twenty million, two hundred thirty-one thousand, two hundred twenty".