4005121003304 has 8 divisors (see below), whose sum is σ = 7509601881210. Its totient is φ = 2002560501648.

The previous prime is 4005121003297. The next prime is 4005121003343. The reversal of 4005121003304 is 4033001215004.

It can be written as a sum of positive squares in only one way, i.e., 3862915084900 + 142205918404 = 1965430^2 + 377102^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4005121003304² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4005121003304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250320062699 + ... + 250320062714.

Almost surely, 2^{4005121003304} is an apocalyptic number.

It is an amenable number.

4005121003304 is a deficient number, since it is larger than the sum of its proper divisors (3504480877906).

4005121003304 is a wasteful number, since it uses less digits than its factorization.

4005121003304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500640125419 (or 500640125415 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 4005121003304 its reverse (4033001215004), we get a palindrome (8038122218308).

The spelling of 4005121003304 in words is "four trillion, five billion, one hundred twenty-one million, three thousand, three hundred four".