212213420012 has 48 divisors (see below), whose sum is σ = 406750528800. Its totient is φ = 96076316160.

The previous prime is 212213419949. The next prime is 212213420033. The reversal of 212213420012 is 210024312212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29764064 + ... + 29771192.

It is an arithmetic number, because the mean of its divisors is an integer number (8473969350).

Almost surely, 2^212213420012 is an apocalyptic number.

212213420012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212213420012 is a deficient number, since it is larger than the sum of its proper divisors (194537108788).

212213420012 is a wasteful number, since it uses less digits than its factorization.

212213420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9746 (or 9744 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212213420012 its reverse (210024312212), we get a palindrome (422237732224).

The spelling of 212213420012 in words is "two hundred twelve billion, two hundred thirteen million, four hundred twenty thousand, twelve".