8001212121008 has 20 divisors (see below), whose sum is σ = 15503119258440. Its totient is φ = 4000407151104.

The previous prime is 8001212120983. The next prime is 8001212121041.

8001212121008 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×8001212121008³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12099710 + ... + 12743837.

It is an arithmetic number, because the mean of its divisors is an integer number (775155962922).

Almost surely, 2^{8001212121008} is an apocalyptic number.

It is an amenable number.

8001212121008 is a deficient number, since it is larger than the sum of its proper divisors (7501907137432).

8001212121008 is a wasteful number, since it uses less digits than its factorization.

8001212121008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24863684 (or 24863678 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

The spelling of 8001212121008 in words is "eight trillion, one billion, two hundred twelve million, one hundred twenty-one thousand, eight".