1320021422242 has 16 divisors (see below), whose sum is σ = 2010798123552. Its totient is φ = 649831066560.

The previous prime is 1320021422221. The next prime is 1320021422257. The reversal of 1320021422242 is 2422241200231.

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 7 ways as a sum of consecutive naturals, for example, 18886359 + ... + 18956122.

It is an arithmetic number, because the mean of its divisors is an integer number (125674882722).

Almost surely, 2^{1320021422242} is an apocalyptic number.

1320021422242 is a deficient number, since it is larger than the sum of its proper divisors (690776701310).

1320021422242 is a wasteful number, since it uses less digits than its factorization.

1320021422242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37842753.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1320021422242 its reverse (2422241200231), we get a palindrome (3742262622473).

The spelling of 1320021422242 in words is "one trillion, three hundred twenty billion, twenty-one million, four hundred twenty-two thousand, two hundred forty-two".