1201304312 has 32 divisors (see below), whose sum is σ = 2503966080. Its totient is φ = 536561280.

The previous prime is 1201304297. The next prime is 1201304333. The reversal of 1201304312 is 2134031021.

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 in 7 ways as a sum of consecutive naturals, for example, 183083 + ... + 189530.

It is an arithmetic number, because the mean of its divisors is an integer number (78248940).

Almost surely, 2^1201304312 is an apocalyptic number.

It is an amenable number.

1201304312 is an abundant number, since it is smaller than the sum of its proper divisors (1302661768).

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

1201304312 is a wasteful number, since it uses less digits than its factorization.

1201304312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372663 (or 372659 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1201304312 is about 34659.8371606100. The cubic root of 1201304312 is about 1063.0434404195.

Adding to 1201304312 its reverse (2134031021), we get a palindrome (3335335333).

The spelling of 1201304312 in words is "one billion, two hundred one million, three hundred four thousand, three hundred twelve".