12040131440221 has 8 divisors (see below), whose sum is σ = 12072888601344. Its totient is φ = 12007417812480.

The previous prime is 12040131440201. The next prime is 12040131440231. The reversal of 12040131440221 is 12204413104021.

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 12040131440221 - 2⁷ = 12040131440093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040131440201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10329411 + ... + 11435776.

It is an arithmetic number, because the mean of its divisors is an integer number (1509111075168).

Almost surely, 2^{12040131440221} is an apocalyptic number.

It is an amenable number.

12040131440221 is a deficient number, since it is larger than the sum of its proper divisors (32757161123).

12040131440221 is an equidigital number, since it uses as much as digits as its factorization.

12040131440221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21766691.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 12040131440221 its reverse (12204413104021), we get a palindrome (24244544544242).

The spelling of 12040131440221 in words is "twelve trillion, forty billion, one hundred thirty-one million, four hundred forty thousand, two hundred twenty-one".