212110100212 has 12 divisors (see below), whose sum is σ = 371196199360. Its totient is φ = 106054043256.

The previous prime is 212110100171. The next prime is 212110100219. The reversal of 212110100212 is 212001011212.

It is a super-2 number, since 2×212110100212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212110100192 and 212110100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110100219) 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, 423589 + ... + 776947.

Almost surely, 2^212110100212 is an apocalyptic number.

It is an amenable number.

212110100212 is a deficient number, since it is larger than the sum of its proper divisors (159086099148).

212110100212 is a wasteful number, since it uses less digits than its factorization.

212110100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503430 (or 503428 counting only the distinct ones).

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

Adding to 212110100212 its reverse (212001011212), we get a palindrome (424111111424).

The spelling of 212110100212 in words is "two hundred twelve billion, one hundred ten million, one hundred thousand, two hundred twelve".