212012220012 has 24 divisors (see below), whose sum is σ = 496913550336. Its totient is φ = 70353829968.

The previous prime is 212012220011. The next prime is 212012220023. The reversal of 212012220012 is 210022210212.

212012220012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212012219973 and 212012220000.

It is not an unprimeable number, because it can be changed into a prime (212012220011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39610968 + ... + 39616319.

It is an arithmetic number, because the mean of its divisors is an integer number (20704731264).

Almost surely, 2^212012220012 is an apocalyptic number.

It is an amenable number.

212012220012 is an abundant number, since it is smaller than the sum of its proper divisors (284901330324).

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

212012220012 is a wasteful number, since it uses less digits than its factorization.

212012220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79227517 (or 79227515 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212012220012 its reverse (210022210212), we get a palindrome (422034430224).

The spelling of 212012220012 in words is "two hundred twelve billion, twelve million, two hundred twenty thousand, twelve".