1201043312 has 40 divisors (see below), whose sum is σ = 2713740000. Its totient is φ = 514730496.

The previous prime is 1201043309. The next prime is 1201043369. The reversal of 1201043312 is 2133401021.

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, 103937 + ... + 114912.

It is an arithmetic number, because the mean of its divisors is an integer number (67843500).

Almost surely, 2^1201043312 is an apocalyptic number.

It is an amenable number.

1201043312 is an abundant number, since it is smaller than the sum of its proper divisors (1512696688).

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

1201043312 is an equidigital number, since it uses as much as digits as its factorization.

1201043312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218878 (or 218858 counting only the distinct ones).

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

The square root of 1201043312 is about 34656.0717912460. The cubic root of 1201043312 is about 1062.9664478731.

Adding to 1201043312 its reverse (2133401021), we get a palindrome (3334444333).

The spelling of 1201043312 in words is "one billion, two hundred one million, forty-three thousand, three hundred twelve".