100311330103212 has 24 divisors (see below), whose sum is σ = 234060874036416. Its totient is φ = 33436952349328.

The previous prime is 100311330103189. The next prime is 100311330103273. The reversal of 100311330103212 is 212301033113001.

It is a happy number.

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, 17045598 + ... + 22162469.

It is an arithmetic number, because the mean of its divisors is an integer number (9752536418184).

Almost surely, 2^{100311330103212} is an apocalyptic number.

100311330103212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100311330103212 is an abundant number, since it is smaller than the sum of its proper divisors (133749543933204).

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

100311330103212 is a wasteful number, since it uses less digits than its factorization.

100311330103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39421277 (or 39421275 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 100311330103212 its reverse (212301033113001), we get a palindrome (312612363216213).

The spelling of 100311330103212 in words is "one hundred trillion, three hundred eleven billion, three hundred thirty million, one hundred three thousand, two hundred twelve".