12442015134 has 24 divisors (see below), whose sum is σ = 27001274040. Its totient is φ = 4140634608.

The previous prime is 12442015133. The next prime is 12442015141. The reversal of 12442015134 is 43151024421.

12442015134 is a `hidden beast` number, since 124 + 4 + 20 + 1 + 513 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12442015098 and 12442015107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442015133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547197 + ... + 569480.

It is an arithmetic number, because the mean of its divisors is an integer number (1125053085).

Almost surely, 2^12442015134 is an apocalyptic number.

12442015134 is an abundant number, since it is smaller than the sum of its proper divisors (14559258906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12442015134 is a wasteful number, since it uses less digits than its factorization.

12442015134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117304 (or 1117301 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 12442015134 its reverse (43151024421), we get a palindrome (55593039555).

The spelling of 12442015134 in words is "twelve billion, four hundred forty-two million, fifteen thousand, one hundred thirty-four".