212110012 has 6 divisors (see below), whose sum is σ = 371192528. Its totient is φ = 106055004.

The previous prime is 212110001. The next prime is 212110079. The reversal of 212110012 is 210011212.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 26513748 + ... + 26513755.

Almost surely, 2^212110012 is an apocalyptic number.

It is an amenable number.

212110012 is a deficient number, since it is larger than the sum of its proper divisors (159082516).

212110012 is a wasteful number, since it uses less digits than its factorization.

212110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53027507 (or 53027505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 212110012 is about 14563.9971161766. The cubic root of 212110012 is about 596.3763182011.

Adding to 212110012 its reverse (210011212), we get a palindrome (422121224).

It can be divided in two parts, 212 and 110012, that added together give a square (110224 = 332²).

The spelling of 212110012 in words is "two hundred twelve million, one hundred ten thousand, twelve".