212442014131423 has 4 divisors (see below), whose sum is σ = 219767600825640. Its totient is φ = 205116427437208.

The previous prime is 212442014131351. The next prime is 212442014131453. The reversal of 212442014131423 is 324131410244212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212442014131423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212442014131453) 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 3 ways as a sum of consecutive naturals, for example, 3662793347065 + ... + 3662793347122.

It is an arithmetic number, because the mean of its divisors is an integer number (54941900206410).

Almost surely, 2^{212442014131423} is an apocalyptic number.

212442014131423 is a deficient number, since it is larger than the sum of its proper divisors (7325586694217).

212442014131423 is an equidigital number, since it uses as much as digits as its factorization.

212442014131423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7325586694216.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 212442014131423 its reverse (324131410244212), we get a palindrome (536573424375635).

The spelling of 212442014131423 in words is "two hundred twelve trillion, four hundred forty-two billion, fourteen million, one hundred thirty-one thousand, four hundred twenty-three".