8012004001 has 4 divisors (see below), whose sum is σ = 8483298372. Its totient is φ = 7540709632.

The previous prime is 8012003981. The next prime is 8012004079. The reversal of 8012004001 is 1004002108.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7022272401 + 989731600 = 83799^2 + 31460^2 .

It is a cyclic number.

It is not a de Polignac number, because 8012004001 - 2⁷ = 8012003873 is a prime.

It is a super-2 number, since 2×8012004001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8012004401) 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 3 ways as a sum of consecutive naturals, for example, 235647160 + ... + 235647193.

It is an arithmetic number, because the mean of its divisors is an integer number (2120824593).

Almost surely, 2^8012004001 is an apocalyptic number.

It is an amenable number.

8012004001 is a deficient number, since it is larger than the sum of its proper divisors (471294371).

8012004001 is a wasteful number, since it uses less digits than its factorization.

8012004001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471294370.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 8012004001 is about 89509.7983519123. The cubic root of 8012004001 is about 2000.9998334999. Note that the first 3 decimals are identical.

Adding to 8012004001 its reverse (1004002108), we get a palindrome (9016006109).

The spelling of 8012004001 in words is "eight billion, twelve million, four thousand, one".