1243240032222 has 48 divisors (see below), whose sum is σ = 2700279533952. Its totient is φ = 413400153600.

The previous prime is 1243240032211. The next prime is 1243240032263. The reversal of 1243240032222 is 2222300423421.

1243240032222 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 2 + 400 + 32 + 222 = 666.

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 23 ways as a sum of consecutive naturals, for example, 13986643 + ... + 14075249.

It is an arithmetic number, because the mean of its divisors is an integer number (56255823624).

Almost surely, 2^{1243240032222} is an apocalyptic number.

1243240032222 is an abundant number, since it is smaller than the sum of its proper divisors (1457039501730).

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

1243240032222 is a wasteful number, since it uses less digits than its factorization.

1243240032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90513 (or 90510 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1243240032222 its reverse (2222300423421), we get a palindrome (3465540455643).

The spelling of 1243240032222 in words is "one trillion, two hundred forty-three billion, two hundred forty million, thirty-two thousand, two hundred twenty-two".