12054401434542 has 64 divisors (see below), whose sum is σ = 26377726927104. Its totient is φ = 3656988725760.

The previous prime is 12054401434519. The next prime is 12054401434561. The reversal of 12054401434542 is 24543410445021.

12054401434542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12054401434542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9182584 + ... + 10412907.

It is an arithmetic number, because the mean of its divisors is an integer number (412151983236).

Almost surely, 2^{12054401434542} is an apocalyptic number.

12054401434542 is an abundant number, since it is smaller than the sum of its proper divisors (14323325492562).

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

12054401434542 is a wasteful number, since it uses less digits than its factorization.

12054401434542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19595713.

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 12054401434542 its reverse (24543410445021), we get a palindrome (36597811879563).

The spelling of 12054401434542 in words is "twelve trillion, fifty-four billion, four hundred one million, four hundred thirty-four thousand, five hundred forty-two".