1204223212 has 6 divisors (see below), whose sum is σ = 2107390628. Its totient is φ = 602111604.

The previous prime is 1204223191. The next prime is 1204223219. The reversal of 1204223212 is 2123224021.

It is a self number, because there is not a number n which added to its sum of digits gives 1204223212.

It is not an unprimeable number, because it can be changed into a prime (1204223219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150527898 + ... + 150527905.

Almost surely, 2^1204223212 is an apocalyptic number.

It is an amenable number.

1204223212 is a deficient number, since it is larger than the sum of its proper divisors (903167416).

1204223212 is a wasteful number, since it uses less digits than its factorization.

1204223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301055807 (or 301055805 counting only the distinct ones).

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

The square root of 1204223212 is about 34701.9194281815. The cubic root of 1204223212 is about 1063.9037297242.

Adding to 1204223212 its reverse (2123224021), we get a palindrome (3327447233).

The spelling of 1204223212 in words is "one billion, two hundred four million, two hundred twenty-three thousand, two hundred twelve".