213322410242442 has 48 divisors (see below), whose sum is σ = 486562552632000. Its totient is φ = 67359743716032.

The previous prime is 213322410242437. The next prime is 213322410242497. The reversal of 213322410242442 is 244242014223312.

213322410242442 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 224 + 1 + 0 + 2 + 424 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 213322410242397 and 213322410242406.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 19788942 + ... + 28605017.

It is an arithmetic number, because the mean of its divisors is an integer number (10136719846500).

Almost surely, 2^{213322410242442} is an apocalyptic number.

213322410242442 is an abundant number, since it is smaller than the sum of its proper divisors (273240142389558).

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

213322410242442 is a wasteful number, since it uses less digits than its factorization.

213322410242442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48406875 (or 48406872 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 213322410242442 its reverse (244242014223312), we get a palindrome (457564424465754).

The spelling of 213322410242442 in words is "two hundred thirteen trillion, three hundred twenty-two billion, four hundred ten million, two hundred forty-two thousand, four hundred forty-two".