142120304322001 has 16 divisors (see below), whose sum is σ = 147641066375680. Its totient is φ = 136658078519040.

The previous prime is 142120304321969. The next prime is 142120304322089. The reversal of 142120304322001 is 100223403021241.

It is a cyclic number.

It is not a de Polignac number, because 142120304322001 - 2⁵ = 142120304321969 is a prime.

It is a super-2 number, since 2×142120304322001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142120304322091) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 611261710 + ... + 611494168.

It is an arithmetic number, because the mean of its divisors is an integer number (9227566648480).

Almost surely, 2^{142120304322001} is an apocalyptic number.

It is an amenable number.

142120304322001 is a deficient number, since it is larger than the sum of its proper divisors (5520762053679).

142120304322001 is a wasteful number, since it uses less digits than its factorization.

142120304322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358264.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 142120304322001 its reverse (100223403021241), we get a palindrome (242343707343242).

The spelling of 142120304322001 in words is "one hundred forty-two trillion, one hundred twenty billion, three hundred four million, three hundred twenty-two thousand, one".