100011011212 has 48 divisors (see below), whose sum is σ = 206522265600. Its totient is φ = 41469595200.

The previous prime is 100011011041. The next prime is 100011011239. The reversal of 100011011212 is 212110110001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4675662 + ... + 4697002.

It is an arithmetic number, because the mean of its divisors is an integer number (4302547200).

Almost surely, 2^100011011212 is an apocalyptic number.

It is an amenable number.

100011011212 is an abundant number, since it is smaller than the sum of its proper divisors (106511254388).

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

100011011212 is a wasteful number, since it uses less digits than its factorization.

100011011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26782 (or 26780 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100011011212 its reverse (212110110001), we get a palindrome (312121121213).

The spelling of 100011011212 in words is "one hundred billion, eleven million, eleven thousand, two hundred twelve".