142112312344201 has 4 divisors (see below), whose sum is σ = 150471860129172. Its totient is φ = 133752764559232.

The previous prime is 142112312344199. The next prime is 142112312344243. The reversal of 142112312344201 is 102443213211241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41814070304400 + 100298242039801 = 6466380^2 + 10014901^2 .

It is a cyclic number.

It is not a de Polignac number, because 142112312344201 - 2¹ = 142112312344199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142112312344801) 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 3 ways as a sum of consecutive naturals, for example, 4179773892460 + ... + 4179773892493.

It is an arithmetic number, because the mean of its divisors is an integer number (37617965032293).

Almost surely, 2^{142112312344201} is an apocalyptic number.

It is an amenable number.

142112312344201 is a deficient number, since it is larger than the sum of its proper divisors (8359547784971).

142112312344201 is an equidigital number, since it uses as much as digits as its factorization.

142112312344201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359547784970.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 142112312344201 its reverse (102443213211241), we get a palindrome (244555525555442).

The spelling of 142112312344201 in words is "one hundred forty-two trillion, one hundred twelve billion, three hundred twelve million, three hundred forty-four thousand, two hundred one".