1042231221222 has 8 divisors (see below), whose sum is σ = 2084462442456. Its totient is φ = 347410407072.

The previous prime is 1042231221217. The next prime is 1042231221247. The reversal of 1042231221222 is 2221221322401.

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

1042231221222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1042231221192 and 1042231221201.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 86852601763 + ... + 86852601774.

It is an arithmetic number, because the mean of its divisors is an integer number (260557805307).

Almost surely, 2^{1042231221222} is an apocalyptic number.

1042231221222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1042231221222 is a wasteful number, since it uses less digits than its factorization.

1042231221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173705203542.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1042231221222 its reverse (2221221322401), we get a palindrome (3263452543623).

The spelling of 1042231221222 in words is "one trillion, forty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, two hundred twenty-two".