1204420312 has 16 divisors (see below), whose sum is σ = 2258656200. Its totient is φ = 602112000.

The previous prime is 1204420307. The next prime is 1204420313. The reversal of 1204420312 is 2130244021.

It is a self number, because there is not a number n which added to its sum of digits gives 1204420312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204420313) 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 in 3 ways as a sum of consecutive naturals, for example, 91864 + ... + 104152.

Almost surely, 2^1204420312 is an apocalyptic number.

It is an amenable number.

1204420312 is a deficient number, since it is larger than the sum of its proper divisors (1054235888).

1204420312 is a wasteful number, since it uses less digits than its factorization.

1204420312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24546 (or 24542 counting only the distinct ones).

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

The square root of 1204420312 is about 34704.7592125345. The cubic root of 1204420312 is about 1063.9617710086.

Adding to 1204420312 its reverse (2130244021), we get a palindrome (3334664333).

The spelling of 1204420312 in words is "one billion, two hundred four million, four hundred twenty thousand, three hundred twelve".