212442303134321 has 16 divisors (see below), whose sum is σ = 234880093103040. Its totient is φ = 190931869652160.

The previous prime is 212442303134293. The next prime is 212442303134387. The reversal of 212442303134321 is 123431303244212.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-212442303134321 is a prime.

It is a super-2 number, since 2×212442303134321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212442303154321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176758051 + ... + 1176938568.

It is an arithmetic number, because the mean of its divisors is an integer number (14680005818940).

Almost surely, 2^{212442303134321} is an apocalyptic number.

It is an amenable number.

212442303134321 is a deficient number, since it is larger than the sum of its proper divisors (22437789968719).

212442303134321 is a wasteful number, since it uses less digits than its factorization.

212442303134321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353696816.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 212442303134321 its reverse (123431303244212), we get a palindrome (335873606378533).

The spelling of 212442303134321 in words is "two hundred twelve trillion, four hundred forty-two billion, three hundred three million, one hundred thirty-four thousand, three hundred twenty-one".