4120134543522 has 80 divisors (see below), whose sum is σ = 9348570776952. Its totient is φ = 1356132844800.

The previous prime is 4120134543487. The next prime is 4120134543563. The reversal of 4120134543522 is 2253454310214.

It is a happy number.

4120134543522 is a `hidden beast` number, since 4 + 120 + 1 + 3 + 4 + 5 + 4 + 3 + 522 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4114159098921 + 5975444601 = 2028339^2 + 77301^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5765478 + ... + 6440574.

Almost surely, 2^{4120134543522} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4120134543522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4674285388476).

4120134543522 is an abundant number, since it is smaller than the sum of its proper divisors (5228436233430).

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

4120134543522 is a wasteful number, since it uses less digits than its factorization.

4120134543522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675585 (or 675576 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 4120134543522 its reverse (2253454310214), we get a palindrome (6373588853736).

The spelling of 4120134543522 in words is "four trillion, one hundred twenty billion, one hundred thirty-four million, five hundred forty-three thousand, five hundred twenty-two".