12310220040000 has 140 divisors (see below), whose sum is σ = 40700460233664. Its totient is φ = 3282725312000.

The previous prime is 12310220039977. The next prime is 12310220040067. The reversal of 12310220040000 is 4002201321.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51172584 + ... + 51412583.

Almost surely, 2^{12310220040000} is an apocalyptic number.

12310220040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310220040000 is an abundant number, since it is smaller than the sum of its proper divisors (28390240193664).

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

12310220040000 is an equidigital number, since it uses as much as digits as its factorization.

12310220040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102585202 (or 102585177 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12310220040000 its reverse (4002201321), we get a palindrome (12314222241321).

The spelling of 12310220040000 in words is "twelve trillion, three hundred ten billion, two hundred twenty million, forty thousand".