12141723729798 has 128 divisors (see below), whose sum is σ = 30626238720000. Its totient is φ = 3534682447872.

The previous prime is 12141723729673. The next prime is 12141723729823. The reversal of 12141723729798 is 89792732714121.

12141723729798 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 172 + 372 + 9 + 7 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9665043 + ... + 10848801.

It is an arithmetic number, because the mean of its divisors is an integer number (239267490000).

Almost surely, 2^{12141723729798} is an apocalyptic number.

12141723729798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12141723729798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15313119360000).

12141723729798 is an abundant number, since it is smaller than the sum of its proper divisors (18484514990202).

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

12141723729798 is a wasteful number, since it uses less digits than its factorization.

12141723729798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184571 (or 1184565 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 63.

The spelling of 12141723729798 in words is "twelve trillion, one hundred forty-one billion, seven hundred twenty-three million, seven hundred twenty-nine thousand, seven hundred ninety-eight".