100212011212 has 12 divisors (see below), whose sum is σ = 175384684720. Its totient is φ = 50102101296.

The previous prime is 100212011189. The next prime is 100212011233. The reversal of 100212011212 is 212110212001.

It is a junction number, because it is equal to n+sod(n) for n = 100212011192 and 100212011201.

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 3 ways as a sum of consecutive naturals, for example, 917943 + ... + 1021294.

Almost surely, 2^100212011212 is an apocalyptic number.

It is an amenable number.

100212011212 is a deficient number, since it is larger than the sum of its proper divisors (75172673508).

100212011212 is a wasteful number, since it uses less digits than its factorization.

100212011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952160 (or 1952158 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100212011212 its reverse (212110212001), we get a palindrome (312322223213).

The spelling of 100212011212 in words is "one hundred billion, two hundred twelve million, eleven thousand, two hundred twelve".