12142501135434 has 96 divisors (see below), whose sum is σ = 27304952463360. Its totient is φ = 3895665501600.

The previous prime is 12142501135433. The next prime is 12142501135459. The reversal of 12142501135434 is 43453110524121.

12142501135434 is a `hidden beast` number, since 1 + 2 + 1 + 42 + 50 + 1 + 135 + 434 = 666.

It is not an unprimeable number, because it can be changed into a prime (12142501135433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 843983989 + ... + 843998375.

It is an arithmetic number, because the mean of its divisors is an integer number (284426588160).

Almost surely, 2^{12142501135434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12142501135434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13652476231680).

12142501135434 is an abundant number, since it is smaller than the sum of its proper divisors (15162451327926).

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

12142501135434 is a wasteful number, since it uses less digits than its factorization.

12142501135434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22536 (or 22533 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 12142501135434 its reverse (43453110524121), we get a palindrome (55595611659555).

The spelling of 12142501135434 in words is "twelve trillion, one hundred forty-two billion, five hundred one million, one hundred thirty-five thousand, four hundred thirty-four".