2120142242 has 8 divisors (see below), whose sum is σ = 3180413376. Its totient is φ = 1060004452.

The previous prime is 2120142229. The next prime is 2120142251. The reversal of 2120142242 is 2422410212.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 32123 + ... + 72609.

It is an arithmetic number, because the mean of its divisors is an integer number (397551672).

Almost surely, 2^2120142242 is an apocalyptic number.

2120142242 is a deficient number, since it is larger than the sum of its proper divisors (1060271134).

2120142242 is a wasteful number, since it uses less digits than its factorization.

2120142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66672.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2120142242 is about 46045.0023563904. The cubic root of 2120142242 is about 1284.6603879781.

Adding to 2120142242 its reverse (2422410212), we get a palindrome (4542552454).

The spelling of 2120142242 in words is "two billion, one hundred twenty million, one hundred forty-two thousand, two hundred forty-two".