12812004076 has 72 divisors (see below), whose sum is σ = 24642439920.
Its totient is φ = 5820522624.
The previous prime is 12812004061. The next prime is 12812004089. The reversal of 12812004076 is 67040021821.
It is a super-3 number, since 3×128120040763 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6824850 + ... + 6826726.
It is an arithmetic number, because the mean of its divisors is an integer number (342256110).
Almost surely, 212812004076 is an apocalyptic number.
It is an amenable number.
12812004076 is a deficient number, since it is larger than the sum of its proper divisors (11830435844).
12812004076 is a wasteful number, since it uses less digits than its factorization.
12812004076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2111 (or 2090 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
Adding to 12812004076 its reverse (67040021821), we get a palindrome (79852025897).
The spelling of 12812004076 in words is "twelve billion, eight hundred twelve million, four thousand, seventy-six".