142200313121 has 2 divisors, whose sum is σ = 142200313122. Its totient is φ = 142200313120.

The previous prime is 142200313097. The next prime is 142200313183. The reversal of 142200313121 is 121313002241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131287376896 + 10912936225 = 362336^2 + 104465^2 .

It is a cyclic number.

It is not a de Polignac number, because 142200313121 - 2¹⁴ = 142200296737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142200313093 and 142200313102.

It is not a weakly prime, because it can be changed into another prime (142200373121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71100156560 + 71100156561.

It is an arithmetic number, because the mean of its divisors is an integer number (71100156561).

Almost surely, 2^142200313121 is an apocalyptic number.

It is an amenable number.

142200313121 is a deficient number, since it is larger than the sum of its proper divisors (1).

142200313121 is an equidigital number, since it uses as much as digits as its factorization.

142200313121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 142200313121 its reverse (121313002241), we get a palindrome (263513315362).

The spelling of 142200313121 in words is "one hundred forty-two billion, two hundred million, three hundred thirteen thousand, one hundred twenty-one".