100747212 has 12 divisors (see below), whose sum is σ = 235076856. Its totient is φ = 33582400.

The previous prime is 100747193. The next prime is 100747217. The reversal of 100747212 is 212747001.

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

It is not an unprimeable number, because it can be changed into a prime (100747217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4197789 + ... + 4197812.

It is an arithmetic number, because the mean of its divisors is an integer number (19589738).

Almost surely, 2^100747212 is an apocalyptic number.

100747212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100747212 is an abundant number, since it is smaller than the sum of its proper divisors (134329644).

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

100747212 is a wasteful number, since it uses less digits than its factorization.

100747212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8395608 (or 8395606 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 100747212 is about 10037.2910688094. The cubic root of 100747212 is about 465.3120994152.

The spelling of 100747212 in words is "one hundred million, seven hundred forty-seven thousand, two hundred twelve".