12310230220000 has 120 divisors (see below), whose sum is σ = 30291877333872. Its totient is φ = 4922976000000.

The previous prime is 12310230219929. The next prime is 12310230220037. The reversal of 12310230220000 is 2203201321.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 91152525 + ... + 91287475.

Almost surely, 2^{12310230220000} is an apocalyptic number.

12310230220000 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 12310230220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15145938666936).

12310230220000 is an abundant number, since it is smaller than the sum of its proper divisors (17981647113872).

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

12310230220000 is an equidigital number, since it uses as much as digits as its factorization.

12310230220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139542 (or 139519 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12310230220000 its reverse (2203201321), we get a palindrome (12312433421321).

The spelling of 12310230220000 in words is "twelve trillion, three hundred ten billion, two hundred thirty million, two hundred twenty thousand".