12141340021 has 8 divisors (see below), whose sum is σ = 12365748224. Its totient is φ = 11917750320.

The previous prime is 12141340009. The next prime is 12141340037. The reversal of 12141340021 is 12004314121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12141340021 - 2⁵ = 12141339989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12141340091) 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 7 ways as a sum of consecutive naturals, for example, 174645 + ... + 234058.

It is an arithmetic number, because the mean of its divisors is an integer number (1545718528).

Almost surely, 2^12141340021 is an apocalyptic number.

It is an amenable number.

12141340021 is a deficient number, since it is larger than the sum of its proper divisors (224408203).

12141340021 is an equidigital number, since it uses as much as digits as its factorization.

12141340021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409251.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12141340021 its reverse (12004314121), we get a palindrome (24145654142).

The spelling of 12141340021 in words is "twelve billion, one hundred forty-one million, three hundred forty thousand, twenty-one".