212110110012 has 24 divisors (see below), whose sum is σ = 508299904336. Its totient is φ = 68792467968.

The previous prime is 212110109989. The next prime is 212110110061. The reversal of 212110110012 is 210011011212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 212110110012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238862293 + ... + 238863180.

Almost surely, 2^212110110012 is an apocalyptic number.

It is an amenable number.

212110110012 is an abundant number, since it is smaller than the sum of its proper divisors (296189794324).

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

212110110012 is a wasteful number, since it uses less digits than its factorization.

212110110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477725517 (or 477725515 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212110110012 its reverse (210011011212), we get a palindrome (422121121224).

It can be divided in two parts, 2121101 and 10012, that multiplied together give a palindrome (21236463212).

The spelling of 212110110012 in words is "two hundred twelve billion, one hundred ten million, one hundred ten thousand, twelve".