1242032212 has 6 divisors (see below), whose sum is σ = 2173556378. Its totient is φ = 621016104.

The previous prime is 1242032171. The next prime is 1242032227. The reversal of 1242032212 is 2122302421.

It can be written as a sum of positive squares in only one way, i.e., 966339396 + 275692816 = 31086^2 + 16604^2 .

It is a super-2 number, since 2×1242032212² = 3085288031291225888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1242032212.

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 as a sum of consecutive naturals, namely, 155254023 + ... + 155254030.

Almost surely, 2^1242032212 is an apocalyptic number.

It is an amenable number.

1242032212 is a deficient number, since it is larger than the sum of its proper divisors (931524166).

1242032212 is a wasteful number, since it uses less digits than its factorization.

1242032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310508057 (or 310508055 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1242032212 is about 35242.4773817052. The cubic root of 1242032212 is about 1074.9236540697.

Adding to 1242032212 its reverse (2122302421), we get a palindrome (3364334633).

The spelling of 1242032212 in words is "one billion, two hundred forty-two million, thirty-two thousand, two hundred twelve".