242112133210123 has 16 divisors (see below), whose sum is σ = 267848539499520. Its totient is φ = 216996905361600.

The previous prime is 242112133210091. The next prime is 242112133210147. The reversal of 242112133210123 is 321012331211242.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 242112133210123 - 2⁵ = 242112133210091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242112133210091 and 242112133210100.

It is not an unprimeable number, because it can be changed into a prime (242112133210163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30504286 + ... + 37612972.

It is an arithmetic number, because the mean of its divisors is an integer number (16740533718720).

Almost surely, 2^{242112133210123} is an apocalyptic number.

242112133210123 is a deficient number, since it is larger than the sum of its proper divisors (25736406289397).

242112133210123 is a wasteful number, since it uses less digits than its factorization.

242112133210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152378.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 242112133210123 its reverse (321012331211242), we get a palindrome (563124464421365).

The spelling of 242112133210123 in words is "two hundred forty-two trillion, one hundred twelve billion, one hundred thirty-three million, two hundred ten thousand, one hundred twenty-three".