100312122 has 8 divisors (see below), whose sum is σ = 200624256. Its totient is φ = 33437372.

The previous prime is 100312111. The next prime is 100312123. The reversal of 100312122 is 221213001.

It is a sphenic number, since it is the product of 3 distinct primes.

100312122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 100312098 and 100312107.

It is not an unprimeable number, because it can be changed into a prime (100312123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8359338 + ... + 8359349.

It is an arithmetic number, because the mean of its divisors is an integer number (25078032).

Almost surely, 2^100312122 is an apocalyptic number.

100312122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100312122 is a wasteful number, since it uses less digits than its factorization.

100312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16718692.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100312122 is about 10015.5939414495. The cubic root of 100312122 is about 464.6412958004.

Adding to 100312122 its reverse (221213001), we get a palindrome (321525123).

The spelling of 100312122 in words is "one hundred million, three hundred twelve thousand, one hundred twenty-two".