2120023122 has 24 divisors (see below), whose sum is σ = 4932299376. Its totient is φ = 605720808.

The previous prime is 2120023117. The next prime is 2120023123. The reversal of 2120023122 is 2213200212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2120023123) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3605188 + ... + 3605775.

It is an arithmetic number, because the mean of its divisors is an integer number (205512474).

Almost surely, 2^2120023122 is an apocalyptic number.

2120023122 is an abundant number, since it is smaller than the sum of its proper divisors (2812276254).

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

2120023122 is a wasteful number, since it uses less digits than its factorization.

2120023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210982 (or 7210975 counting only the distinct ones).

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

The square root of 2120023122 is about 46043.7088210757. The cubic root of 2120023122 is about 1284.6363280183.

Adding to 2120023122 its reverse (2213200212), we get a palindrome (4333223334).

The spelling of 2120023122 in words is "two billion, one hundred twenty million, twenty-three thousand, one hundred twenty-two".