212102101201212 has 36 divisors (see below), whose sum is σ = 537368269598160. Its totient is φ = 70539650963712.

The previous prime is 212102101201157. The next prime is 212102101201247.

212102101201212 is a `hidden beast` number, since 2 + 1 + 210 + 210 + 120 + 121 + 2 = 666.

212102101201212 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6710377173 + ... + 6710408780.

Almost surely, 2^{212102101201212} is an apocalyptic number.

It is an amenable number.

212102101201212 is an abundant number, since it is smaller than the sum of its proper divisors (325266168396948).

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

212102101201212 is a wasteful number, since it uses less digits than its factorization.

212102101201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420786402 (or 13420786397 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

It can be divided in two parts, 21210210 and 1201212, that added together give a palindrome (22411422).

The spelling of 212102101201212 in words is "two hundred twelve trillion, one hundred two billion, one hundred one million, two hundred one thousand, two hundred twelve".