2120222203312 has 60 divisors (see below), whose sum is σ = 4382048593440. Its totient is φ = 993576414208.

The previous prime is 2120222203291. The next prime is 2120222203327. The reversal of 2120222203312 is 2133022220212.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145878 + ... + 2064394.

It is an arithmetic number, because the mean of its divisors is an integer number (73034143224).

Almost surely, 2^{2120222203312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120222203312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2191024296720).

2120222203312 is an abundant number, since it is smaller than the sum of its proper divisors (2261826390128).

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

2120222203312 is a wasteful number, since it uses less digits than its factorization.

2120222203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918798 (or 1918775 counting only the distinct ones).

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

Adding to 2120222203312 its reverse (2133022220212), we get a palindrome (4253244423524).

The spelling of 2120222203312 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred three thousand, three hundred twelve".