100812812618 has 16 divisors (see below), whose sum is σ = 180335963520. Its totient is φ = 41326991376.

The previous prime is 100812812591. The next prime is 100812812629. The reversal of 100812812618 is 816218218001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156541313 + ... + 156541956.

It is an arithmetic number, because the mean of its divisors is an integer number (11270997720).

Almost surely, 2^100812812618 is an apocalyptic number.

100812812618 is a deficient number, since it is larger than the sum of its proper divisors (79523150902).

100812812618 is a wasteful number, since it uses less digits than its factorization.

100812812618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313083301.

The product of its (nonzero) digits is 12288, while the sum is 38.

The spelling of 100812812618 in words is "one hundred billion, eight hundred twelve million, eight hundred twelve thousand, six hundred eighteen".