212142042133121 has 8 divisors (see below), whose sum is σ = 213258652412160. Its totient is φ = 211027955268528.

The previous prime is 212142042133069. The next prime is 212142042133129. The reversal of 212142042133121 is 121331240241212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212142042133121 - 2⁶ = 212142042133057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212142042133129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630685031 + ... + 631021308.

It is an arithmetic number, because the mean of its divisors is an integer number (26657331551520).

Almost surely, 2^{212142042133121} is an apocalyptic number.

It is an amenable number.

212142042133121 is a deficient number, since it is larger than the sum of its proper divisors (1116610279039).

212142042133121 is a wasteful number, since it uses less digits than its factorization.

212142042133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261707223.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 212142042133121 its reverse (121331240241212), we get a palindrome (333473282374333).

The spelling of 212142042133121 in words is "two hundred twelve trillion, one hundred forty-two billion, forty-two million, one hundred thirty-three thousand, one hundred twenty-one".