142231123201 has 2 divisors, whose sum is σ = 142231123202. Its totient is φ = 142231123200.

The previous prime is 142231123193. The next prime is 142231123241. The reversal of 142231123201 is 102321132241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140595001600 + 1636121601 = 374960^2 + 40449^2 .

It is a cyclic number.

It is not a de Polignac number, because 142231123201 - 2³ = 142231123193 is a prime.

It is not a weakly prime, because it can be changed into another prime (142231123241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71115561600 + 71115561601.

It is an arithmetic number, because the mean of its divisors is an integer number (71115561601).

Almost surely, 2^142231123201 is an apocalyptic number.

It is an amenable number.

142231123201 is a deficient number, since it is larger than the sum of its proper divisors (1).

142231123201 is an equidigital number, since it uses as much as digits as its factorization.

142231123201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 142231123201 its reverse (102321132241), we get a palindrome (244552255442).

The spelling of 142231123201 in words is "one hundred forty-two billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred one".