1204243412 has 6 divisors (see below), whose sum is σ = 2107425978. Its totient is φ = 602121704.

The previous prime is 1204243387. The next prime is 1204243421. The reversal of 1204243412 is 2143424021.

It can be written as a sum of positive squares in only one way, i.e., 1083331396 + 120912016 = 32914^2 + 10996^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150530423 + ... + 150530430.

It is an arithmetic number, because the mean of its divisors is an integer number (351237663).

Almost surely, 2^1204243412 is an apocalyptic number.

It is an amenable number.

1204243412 is a deficient number, since it is larger than the sum of its proper divisors (903182566).

1204243412 is a wasteful number, since it uses less digits than its factorization.

1204243412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301060857 (or 301060855 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1204243412 is about 34702.2104771440. The cubic root of 1204243412 is about 1063.9096784373.

Adding to 1204243412 its reverse (2143424021), we get a palindrome (3347667433).

The spelling of 1204243412 in words is "one billion, two hundred four million, two hundred forty-three thousand, four hundred twelve".