142112120231 has 16 divisors (see below), whose sum is σ = 148057308000. Its totient is φ = 136237315200.

The previous prime is 142112120191. The next prime is 142112120239. The reversal of 142112120231 is 132021211241.

142112120231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142112120231 - 2⁶ = 142112120167 is a prime.

It is a super-2 number, since 2×142112120231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142112120239) 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, 15079901 + ... + 15089321.

It is an arithmetic number, because the mean of its divisors is an integer number (9253581750).

Almost surely, 2^142112120231 is an apocalyptic number.

142112120231 is a deficient number, since it is larger than the sum of its proper divisors (5945187769).

142112120231 is a wasteful number, since it uses less digits than its factorization.

142112120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13090.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 142112120231 its reverse (132021211241), we get a palindrome (274133331472).

The spelling of 142112120231 in words is "one hundred forty-two billion, one hundred twelve million, one hundred twenty thousand, two hundred thirty-one".