2312220312320 has 72 divisors (see below), whose sum is σ = 5539192456560. Its totient is φ = 924770856960.

The previous prime is 2312220312277. The next prime is 2312220312331. The reversal of 2312220312320 is 232130222132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10358690 + ... + 10579550.

Almost surely, 2^{2312220312320} is an apocalyptic number.

2312220312320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312220312320 is an abundant number, since it is smaller than the sum of its proper divisors (3226972144240).

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

2312220312320 is an equidigital number, since it uses as much as digits as its factorization.

2312220312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229061 (or 229047 counting only the distinct ones).

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

Adding to 2312220312320 its reverse (232130222132), we get a palindrome (2544350534452).

The spelling of 2312220312320 in words is "two trillion, three hundred twelve billion, two hundred twenty million, three hundred twelve thousand, three hundred twenty".