82104115012 has 6 divisors (see below), whose sum is σ = 143682201278. Its totient is φ = 41052057504.

The previous prime is 82104114979. The next prime is 82104115019. The reversal of 82104115012 is 21051140128.

It can be written as a sum of positive squares in only one way, i.e., 82034125056 + 69989956 = 286416^2 + 8366^2 .

It is not an unprimeable number, because it can be changed into a prime (82104115019) 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 as a sum of consecutive naturals, namely, 10263014373 + ... + 10263014380.

Almost surely, 2^82104115012 is an apocalyptic number.

It is an amenable number.

82104115012 is a deficient number, since it is larger than the sum of its proper divisors (61578086266).

82104115012 is a wasteful number, since it uses less digits than its factorization.

82104115012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20526028757 (or 20526028755 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The spelling of 82104115012 in words is "eighty-two billion, one hundred four million, one hundred fifteen thousand, twelve".