12434142404424 has 32 divisors (see below), whose sum is σ = 33476537243520. Its totient is φ = 3825889970496.

The previous prime is 12434142404417. The next prime is 12434142404459. The reversal of 12434142404424 is 42440424143421.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19926509952 + ... + 19926510575.

It is an arithmetic number, because the mean of its divisors is an integer number (1046141788860).

Almost surely, 2^{12434142404424} is an apocalyptic number.

It is an amenable number.

12434142404424 is an abundant number, since it is smaller than the sum of its proper divisors (21042394839096).

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

12434142404424 is a wasteful number, since it uses less digits than its factorization.

12434142404424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39853020549 (or 39853020545 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 39.

Adding to 12434142404424 its reverse (42440424143421), we get a palindrome (54874566547845).

The spelling of 12434142404424 in words is "twelve trillion, four hundred thirty-four billion, one hundred forty-two million, four hundred four thousand, four hundred twenty-four".