4012104205221 has 8 divisors (see below), whose sum is σ = 6113682598464. Its totient is φ = 2292630974400.

The previous prime is 4012104205217. The next prime is 4012104205253. The reversal of 4012104205221 is 1225024012104.

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

It is not a de Polignac number, because 4012104205221 - 2² = 4012104205217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4012104205191 and 4012104205200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012104205211) 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, 95526290580 + ... + 95526290621.

It is an arithmetic number, because the mean of its divisors is an integer number (764210324808).

Almost surely, 2^{4012104205221} is an apocalyptic number.

It is an amenable number.

4012104205221 is a deficient number, since it is larger than the sum of its proper divisors (2101578393243).

4012104205221 is a wasteful number, since it uses less digits than its factorization.

4012104205221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191052581211.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 4012104205221 its reverse (1225024012104), we get a palindrome (5237128217325).

The spelling of 4012104205221 in words is "four trillion, twelve billion, one hundred four million, two hundred five thousand, two hundred twenty-one".