100109019812 has 24 divisors (see below), whose sum is σ = 177393265056. Its totient is φ = 49428220608.

The previous prime is 100109019811. The next prime is 100109019823. The reversal of 100109019812 is 218910901001.

It is not an unprimeable number, because it can be changed into a prime (100109019811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239678 + ... + 507605.

It is an arithmetic number, because the mean of its divisors is an integer number (7391386044).

Almost surely, 2^100109019812 is an apocalyptic number.

It is an amenable number.

100109019812 is a deficient number, since it is larger than the sum of its proper divisors (77284245244).

100109019812 is a wasteful number, since it uses less digits than its factorization.

100109019812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747707 (or 747705 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 100109019812 in words is "one hundred billion, one hundred nine million, nineteen thousand, eight hundred twelve".