120023143221442 has 16 divisors (see below), whose sum is σ = 180538651543680. Its totient is φ = 59843597239552.

The previous prime is 120023143221407. The next prime is 120023143221517. The reversal of 120023143221442 is 244122341320021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53719458 + ... + 55909090.

It is an arithmetic number, because the mean of its divisors is an integer number (11283665721480).

Almost surely, 2^{120023143221442} is an apocalyptic number.

120023143221442 is a deficient number, since it is larger than the sum of its proper divisors (60515508322238).

120023143221442 is a wasteful number, since it uses less digits than its factorization.

120023143221442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266337.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 120023143221442 its reverse (244122341320021), we get a palindrome (364145484541463).

The spelling of 120023143221442 in words is "one hundred twenty trillion, twenty-three billion, one hundred forty-three million, two hundred twenty-one thousand, four hundred forty-two".