781001010112 has 14 divisors (see below), whose sum is σ = 1549798879568. Its totient is φ = 390500505024.

The previous prime is 781001010109. The next prime is 781001010121. The reversal of 781001010112 is 211010100187.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101570328 + ... + 6101570455.

Almost surely, 2^781001010112 is an apocalyptic number.

It is an amenable number.

781001010112 is a deficient number, since it is larger than the sum of its proper divisors (768797869456).

781001010112 is a wasteful number, since it uses less digits than its factorization.

781001010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12203140795 (or 12203140785 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 781001010112 its reverse (211010100187), we get a palindrome (992011110299).

The spelling of 781001010112 in words is "seven hundred eighty-one billion, one million, ten thousand, one hundred twelve".