1322021142242 has 16 divisors (see below), whose sum is σ = 2088689625600. Its totient is φ = 625834194480.

The previous prime is 1322021142203. The next prime is 1322021142257. The reversal of 1322021142242 is 2422411202231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10669442 + ... + 10792637.

It is an arithmetic number, because the mean of its divisors is an integer number (130543101600).

Almost surely, 2^{1322021142242} is an apocalyptic number.

1322021142242 is a deficient number, since it is larger than the sum of its proper divisors (766668483358).

1322021142242 is a wasteful number, since it uses less digits than its factorization.

1322021142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21463721.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1322021142242 its reverse (2422411202231), we get a palindrome (3744432344473).

The spelling of 1322021142242 in words is "one trillion, three hundred twenty-two billion, twenty-one million, one hundred forty-two thousand, two hundred forty-two".