1203020312 has 16 divisors (see below), whose sum is σ = 2429175840. Its totient is φ = 555240096.

The previous prime is 1203020293. The next prime is 1203020339. The reversal of 1203020312 is 2130203021.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 5783648 + ... + 5783855.

It is an arithmetic number, because the mean of its divisors is an integer number (151823490).

Almost surely, 2^1203020312 is an apocalyptic number.

It is an amenable number.

1203020312 is an abundant number, since it is smaller than the sum of its proper divisors (1226155528).

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

1203020312 is a wasteful number, since it uses less digits than its factorization.

1203020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11567522 (or 11567518 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1203020312 is about 34684.5832034926. The cubic root of 1203020312 is about 1063.5493668061.

Adding to 1203020312 its reverse (2130203021), we get a palindrome (3333223333).

The spelling of 1203020312 in words is "one billion, two hundred three million, twenty thousand, three hundred twelve".