100162812 has 12 divisors (see below), whose sum is σ = 233713256. Its totient is φ = 33387600.

The previous prime is 100162801. The next prime is 100162819. The reversal of 100162812 is 218261001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100162819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4173439 + ... + 4173462.

Almost surely, 2^100162812 is an apocalyptic number.

100162812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100162812 is an abundant number, since it is smaller than the sum of its proper divisors (133550444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100162812 is a wasteful number, since it uses less digits than its factorization.

100162812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8346908 (or 8346906 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 100162812 is about 10008.1372892262. The cubic root of 100162812 is about 464.4106488962.

The spelling of 100162812 in words is "one hundred million, one hundred sixty-two thousand, eight hundred twelve".