100812015386877 has 16 divisors (see below), whose sum is σ = 136308580479680. Its totient is φ = 66262422771072.

The previous prime is 100812015386861. The next prime is 100812015386899. The reversal of 100812015386877 is 778683510218001.

It is a happy number.

It is not a de Polignac number, because 100812015386877 - 2⁴ = 100812015386861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100812015386857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85978198 + ... + 87142839.

It is an arithmetic number, because the mean of its divisors is an integer number (8519286279980).

Almost surely, 2^{100812015386877} is an apocalyptic number.

It is an amenable number.

100812015386877 is a deficient number, since it is larger than the sum of its proper divisors (35496565092803).

100812015386877 is a wasteful number, since it uses less digits than its factorization.

100812015386877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173123772.

The product of its (nonzero) digits is 4515840, while the sum is 57.

The spelling of 100812015386877 in words is "one hundred trillion, eight hundred twelve billion, fifteen million, three hundred eighty-six thousand, eight hundred seventy-seven".