142162212123 has 12 divisors (see below), whose sum is σ = 206001477240. Its totient is φ = 94472011296.

The previous prime is 142162212109. The next prime is 142162212161. The reversal of 142162212123 is 321212261241.

142162212123 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 622 + 12 + 1 + 23 = 666.

It is not a de Polignac number, because 142162212123 - 2¹⁰ = 142162211099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142162212103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25230093 + ... + 25235726.

It is an arithmetic number, because the mean of its divisors is an integer number (17166789770).

Almost surely, 2^142162212123 is an apocalyptic number.

142162212123 is a deficient number, since it is larger than the sum of its proper divisors (63839265117).

142162212123 is a wasteful number, since it uses less digits than its factorization.

142162212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50466138 (or 50466135 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 142162212123 its reverse (321212261241), we get a palindrome (463374473364).

The spelling of 142162212123 in words is "one hundred forty-two billion, one hundred sixty-two million, two hundred twelve thousand, one hundred twenty-three".