212214032340 has 24 divisors (see below), whose sum is σ = 594199290720. Its totient is φ = 56590408608.

The previous prime is 212214032269. The next prime is 212214032383. The reversal of 212214032340 is 43230412212.

It is a happy number.

212214032340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212214032340.

It is a congruent number.

It is an unprimeable number.

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, 1768450210 + ... + 1768450329.

It is an arithmetic number, because the mean of its divisors is an integer number (24758303780).

Almost surely, 2^212214032340 is an apocalyptic number.

212214032340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212214032340 is an abundant number, since it is smaller than the sum of its proper divisors (381985258380).

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

212214032340 is a wasteful number, since it uses less digits than its factorization.

212214032340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536900551 (or 3536900549 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212214032340 its reverse (43230412212), we get a palindrome (255444444552).

The spelling of 212214032340 in words is "two hundred twelve billion, two hundred fourteen million, thirty-two thousand, three hundred forty".