2142320322242 has 8 divisors (see below), whose sum is σ = 3213488403216. Its totient is φ = 1071157521172.

The previous prime is 2142320322227. The next prime is 2142320322271. The reversal of 2142320322242 is 2422230232412.

It is a happy number.

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68168 + ... + 2071059.

It is an arithmetic number, because the mean of its divisors is an integer number (401686050402).

Almost surely, 2^{2142320322242} is an apocalyptic number.

2142320322242 is a deficient number, since it is larger than the sum of its proper divisors (1071168080974).

2142320322242 is a wasteful number, since it uses less digits than its factorization.

2142320322242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639952.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2142320322242 its reverse (2422230232412), we get a palindrome (4564550554654).

The spelling of 2142320322242 in words is "two trillion, one hundred forty-two billion, three hundred twenty million, three hundred twenty-two thousand, two hundred forty-two".