212424044142 has 16 divisors (see below), whose sum is σ = 424855262160. Its totient is φ = 70806819072.

The previous prime is 212424044137. The next prime is 212424044143. The reversal of 212424044142 is 241440424212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212424044143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 134334 + ... + 665502.

It is an arithmetic number, because the mean of its divisors is an integer number (26553453885).

Almost surely, 2^212424044142 is an apocalyptic number.

212424044142 is an abundant number, since it is smaller than the sum of its proper divisors (212431218018).

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

212424044142 is a wasteful number, since it uses less digits than its factorization.

212424044142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597827.

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

Adding to 212424044142 its reverse (241440424212), we get a palindrome (453864468354).

The spelling of 212424044142 in words is "two hundred twelve billion, four hundred twenty-four million, forty-four thousand, one hundred forty-two".