212420143013144 has 32 divisors (see below), whose sum is σ = 434496332509200. Its totient is φ = 96554480363520.

The previous prime is 212420143013131. The next prime is 212420143013149. The reversal of 212420143013144 is 441310341024212.

It is a self number, because there is not a number n which added to its sum of digits gives 212420143013144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212420143013149) 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, 99785672 + ... + 101892200.

Almost surely, 2^{212420143013144} is an apocalyptic number.

It is an amenable number.

212420143013144 is an abundant number, since it is smaller than the sum of its proper divisors (222076189496056).

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

212420143013144 is a wasteful number, since it uses less digits than its factorization.

212420143013144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252443 (or 3252439 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 212420143013144 its reverse (441310341024212), we get a palindrome (653730484037356).

The spelling of 212420143013144 in words is "two hundred twelve trillion, four hundred twenty billion, one hundred forty-three million, thirteen thousand, one hundred forty-four".