212212343020 has 24 divisors (see below), whose sum is σ = 445659076800. Its totient is φ = 84882431232.

The previous prime is 212212343003. The next prime is 212212343023. The reversal of 212212343020 is 20343212212.

212212343020 is digitally balanced in base 2, 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 = 212212342982 and 212212343000.

It is not an unprimeable number, because it can be changed into a prime (212212343023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635476 + ... + 910084.

It is an arithmetic number, because the mean of its divisors is an integer number (18569128200).

Almost surely, 2^212212343020 is an apocalyptic number.

212212343020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212343020 is an abundant number, since it is smaller than the sum of its proper divisors (233446733780).

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

212212343020 is a wasteful number, since it uses less digits than its factorization.

212212343020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313257 (or 313255 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 212212343020 its reverse (20343212212), we get a palindrome (232555555232).

The spelling of 212212343020 in words is "two hundred twelve billion, two hundred twelve million, three hundred forty-three thousand, twenty".