2112144239 has 8 divisors (see below), whose sum is σ = 2130720768. Its totient is φ = 2093598360.

The previous prime is 2112144227. The next prime is 2112144241. The reversal of 2112144239 is 9324412112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112144239 - 2⁸ = 2112143983 is a prime.

It is a super-2 number, since 2×2112144239² = 8922306572681778242, which 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 (2112144289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143744 + ... + 157754.

It is an arithmetic number, because the mean of its divisors is an integer number (266340096).

Almost surely, 2^2112144239 is an apocalyptic number.

2112144239 is a deficient number, since it is larger than the sum of its proper divisors (18576529).

2112144239 is a wasteful number, since it uses less digits than its factorization.

2112144239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15325.

The product of its digits is 3456, while the sum is 29.

The square root of 2112144239 is about 45958.0704446999. The cubic root of 2112144239 is about 1283.0429391329.

The spelling of 2112144239 in words is "two billion, one hundred twelve million, one hundred forty-four thousand, two hundred thirty-nine".