1242213232 has 40 divisors (see below), whose sum is σ = 2630640656. Its totient is φ = 564765696.

The previous prime is 1242213227. The next prime is 1242213251. The reversal of 1242213232 is 2323122421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30633 + ... + 58504.

Almost surely, 2^1242213232 is an apocalyptic number.

It is an amenable number.

1242213232 is an abundant number, since it is smaller than the sum of its proper divisors (1388427424).

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

1242213232 is a wasteful number, since it uses less digits than its factorization.

1242213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89225 (or 89219 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1242213232 is about 35245.0454957856. The cubic root of 1242213232 is about 1074.9758731199.

Adding to 1242213232 its reverse (2323122421), we get a palindrome (3565335653).

The spelling of 1242213232 in words is "one billion, two hundred forty-two million, two hundred thirteen thousand, two hundred thirty-two".