12141135543450 has 48 divisors (see below), whose sum is σ = 30111758947296. Its totient is φ = 3237448747200.

The previous prime is 12141135543431. The next prime is 12141135543451. The reversal of 12141135543450 is 5434553114121.

It is a junction number, because it is equal to n+sod(n) for n = 12141135543399 and 12141135543408.

It is not an unprimeable number, because it can be changed into a prime (12141135543451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267349 + ... + 4934951.

It is an arithmetic number, because the mean of its divisors is an integer number (627328311402).

Almost surely, 2^{12141135543450} is an apocalyptic number.

12141135543450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12141135543450 is an abundant number, since it is smaller than the sum of its proper divisors (17970623403846).

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

12141135543450 is a wasteful number, since it uses less digits than its factorization.

12141135543450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684959 (or 4684954 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 12141135543450 its reverse (5434553114121), we get a palindrome (17575688657571).

The spelling of 12141135543450 in words is "twelve trillion, one hundred forty-one billion, one hundred thirty-five million, five hundred forty-three thousand, four hundred fifty".