212212444312 has 32 divisors (see below), whose sum is σ = 434090027520. Its totient is φ = 96455953440.

The previous prime is 212212444307. The next prime is 212212444363. The reversal of 212212444312 is 213444212212.

212212444312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 2857393 + ... + 2930719.

It is an arithmetic number, because the mean of its divisors is an integer number (13565313360).

Almost surely, 2^212212444312 is an apocalyptic number.

212212444312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212212444312 is an abundant number, since it is smaller than the sum of its proper divisors (221877583208).

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

212212444312 is a wasteful number, since it uses less digits than its factorization.

212212444312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106231 (or 106227 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 212212444312 its reverse (213444212212), we get a palindrome (425656656524).

The spelling of 212212444312 in words is "two hundred twelve billion, two hundred twelve million, four hundred forty-four thousand, three hundred twelve".