100211012 has 24 divisors (see below), whose sum is σ = 192384192. Its totient is φ = 45295200.

The previous prime is 100211009. The next prime is 100211021. The reversal of 100211012 is 210112001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1673 + ... + 14255.

It is an arithmetic number, because the mean of its divisors is an integer number (8016008).

Almost surely, 2^100211012 is an apocalyptic number.

It is an amenable number.

100211012 is a deficient number, since it is larger than the sum of its proper divisors (92173180).

100211012 is a wasteful number, since it uses less digits than its factorization.

100211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12779 (or 12777 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 100211012 is about 10010.5450401065. The cubic root of 100211012 is about 464.4851309759.

Adding to 100211012 its reverse (210112001), we get a palindrome (310323013).

It can be divided in two parts, 100 and 211012, that added together give a palindrome (211112).

The spelling of 100211012 in words is "one hundred million, two hundred eleven thousand, twelve".