2122120042130 has 128 divisors (see below), whose sum is σ = 4345305440256. Its totient is φ = 739192780800.

The previous prime is 2122120042123. The next prime is 2122120042139. The reversal of 2122120042130 is 312400212212.

It is a super-3 number, since 3×2122120042130³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2122120042139) 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 63 ways as a sum of consecutive naturals, for example, 818402114 + ... + 818404706.

It is an arithmetic number, because the mean of its divisors is an integer number (33947698752).

Almost surely, 2^{2122120042130} is an apocalyptic number.

2122120042130 is an abundant number, since it is smaller than the sum of its proper divisors (2223185398126).

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

2122120042130 is a wasteful number, since it uses less digits than its factorization.

2122120042130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2122120042130 its reverse (312400212212), we get a palindrome (2434520254342).

The spelling of 2122120042130 in words is "two trillion, one hundred twenty-two billion, one hundred twenty million, forty-two thousand, one hundred thirty".