2122122323130 has 128 divisors (see below), whose sum is σ = 5582874129408. Its totient is φ = 514137710592.

The previous prime is 2122122323129. The next prime is 2122122323137. The reversal of 2122122323130 is 313232212212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122122323130.

It is not an unprimeable number, because it can be changed into a prime (2122122323137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1143424 + ... + 2356196.

It is an arithmetic number, because the mean of its divisors is an integer number (43616204136).

Almost surely, 2^{2122122323130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122122323130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2791437064704).

2122122323130 is an abundant number, since it is smaller than the sum of its proper divisors (3460751806278).

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

2122122323130 is a wasteful number, since it uses less digits than its factorization.

2122122323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212920.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2122122323130 its reverse (313232212212), we get a palindrome (2435354535342).

The spelling of 2122122323130 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, three hundred twenty-three thousand, one hundred thirty".