212101101212 has 48 divisors (see below), whose sum is σ = 498363436032.
Its totient is φ = 76280114880.
The previous prime is 212101101209. The next prime is 212101101241.
It can be divided in two parts, 212101 and 101212, that added together give a palindrome (313313).
212101101212 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26482148 + ... + 26490155.
It is an arithmetic number, because the mean of its divisors is an integer number (10382571584).
Almost surely, 2212101101212 is an apocalyptic number.
212101101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212101101212 is an abundant number, since it is smaller than the sum of its proper divisors (286262334820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212101101212 is a wasteful number, since it uses less digits than its factorization.
212101101212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52972338 (or 52972336 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
The spelling of 212101101212 in words is "two hundred twelve billion, one hundred one million, one hundred one thousand, two hundred twelve".