12020340141 has 10 divisors (see below), whose sum is σ = 17956310702. Its totient is φ = 8013560040.

The previous prime is 12020340121. The next prime is 12020340187. The reversal of 12020340141 is 14104302021.

12020340141 is a `hidden beast` number, since 1 + 20 + 203 + 401 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12018517641 + 1822500 = 109629^2 + 1350^2 .

It is not a de Polignac number, because 12020340141 - 2¹⁸ = 12020077997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020340121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 74199550 + ... + 74199711.

Almost surely, 2^12020340141 is an apocalyptic number.

It is an amenable number.

12020340141 is a deficient number, since it is larger than the sum of its proper divisors (5935970561).

12020340141 is an equidigital number, since it uses as much as digits as its factorization.

12020340141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148399273 (or 148399264 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12020340141 its reverse (14104302021), we get a palindrome (26124642162).

The spelling of 12020340141 in words is "twelve billion, twenty million, three hundred forty thousand, one hundred forty-one".