2120222312320 has 64 divisors (see below), whose sum is σ = 5792750258400. Its totient is φ = 726933362688.

The previous prime is 2120222312311. The next prime is 2120222312339. The reversal of 2120222312320 is 232132220212.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2120222312291 and 2120222312300.

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 7 ways as a sum of consecutive naturals, for example, 236627475 + ... + 236636434.

Almost surely, 2^{2120222312320} is an apocalyptic number.

2120222312320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120222312320 is an abundant number, since it is smaller than the sum of its proper divisors (3672527946080).

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

2120222312320 is an equidigital number, since it uses as much as digits as its factorization.

2120222312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473263935 (or 473263923 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2120222312320 its reverse (232132220212), we get a palindrome (2352354532532).

The spelling of 2120222312320 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, three hundred twelve thousand, three hundred twenty".