212144421410142 has 32 divisors (see below), whose sum is σ = 461450470350240. Its totient is φ = 64628917411200.

The previous prime is 212144421410123. The next prime is 212144421410143. The reversal of 212144421410142 is 241014124441212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212144421410143) 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 15 ways as a sum of consecutive naturals, for example, 13464349917 + ... + 13464365672.

It is an arithmetic number, because the mean of its divisors is an integer number (14420327198445).

Almost surely, 2^{212144421410142} is an apocalyptic number.

212144421410142 is an abundant number, since it is smaller than the sum of its proper divisors (249306048940098).

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

212144421410142 is a wasteful number, since it uses less digits than its factorization.

212144421410142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26928715708.

The product of its (nonzero) digits is 16384, while the sum is 33.

Adding to 212144421410142 its reverse (241014124441212), we get a palindrome (453158545851354).

The spelling of 212144421410142 in words is "two hundred twelve trillion, one hundred forty-four billion, four hundred twenty-one million, four hundred ten thousand, one hundred forty-two".