142120002034321 has 16 divisors (see below), whose sum is σ = 143345152051200. Its totient is φ = 140900208220800.

The previous prime is 142120002034301. The next prime is 142120002034337. The reversal of 142120002034321 is 123430200021241.

It is a cyclic number.

It is not a de Polignac number, because 142120002034321 - 2⁵ = 142120002034289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142120002034301) 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, 399348741 + ... + 399704461.

It is an arithmetic number, because the mean of its divisors is an integer number (8959072003200).

Almost surely, 2^{142120002034321} is an apocalyptic number.

It is an amenable number.

142120002034321 is a deficient number, since it is larger than the sum of its proper divisors (1225150016879).

142120002034321 is a wasteful number, since it uses less digits than its factorization.

142120002034321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363240.

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

Adding to 142120002034321 its reverse (123430200021241), we get a palindrome (265550202055562).

The spelling of 142120002034321 in words is "one hundred forty-two trillion, one hundred twenty billion, two million, thirty-four thousand, three hundred twenty-one".