142003304312021 has 8 divisors (see below), whose sum is σ = 142724227636800. Its totient is φ = 141282454376448.

The previous prime is 142003304311997. The next prime is 142003304312027. The reversal of 142003304312021 is 120213403300241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142003304312021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142003304312027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14465531 + ... + 22209416.

It is an arithmetic number, because the mean of its divisors is an integer number (17840528454600).

Almost surely, 2^{142003304312021} is an apocalyptic number.

It is an amenable number.

142003304312021 is a deficient number, since it is larger than the sum of its proper divisors (720923324779).

142003304312021 is a wasteful number, since it uses less digits than its factorization.

142003304312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36694603.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 142003304312021 its reverse (120213403300241), we get a palindrome (262216707612262).

The spelling of 142003304312021 in words is "one hundred forty-two trillion, three billion, three hundred four million, three hundred twelve thousand, twenty-one".