212424442122 has 16 divisors (see below), whose sum is σ = 425327867712. Its totient is φ = 70728316800.

The previous prime is 212424442103. The next prime is 212424442147. The reversal of 212424442122 is 221244424212.

212424442122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212424442122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212424442122.

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, 19951879 + ... + 19962522.

It is an arithmetic number, because the mean of its divisors is an integer number (26582991732).

Almost surely, 2^212424442122 is an apocalyptic number.

212424442122 is an abundant number, since it is smaller than the sum of its proper divisors (212903425590).

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

212424442122 is a wasteful number, since it uses less digits than its factorization.

212424442122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39915293.

The product of its digits is 16384, while the sum is 30.

Adding to 212424442122 its reverse (221244424212), we get a palindrome (433668866334).

The spelling of 212424442122 in words is "two hundred twelve billion, four hundred twenty-four million, four hundred forty-two thousand, one hundred twenty-two".