1200034312 has 8 divisors (see below), whose sum is σ = 2250064350. Its totient is φ = 600017152.

The previous prime is 1200034307. The next prime is 1200034313. The reversal of 1200034312 is 2134300021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1109289636 + 90744676 = 33306^2 + 9526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1200034313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75002137 + ... + 75002152.

Almost surely, 2^1200034312 is an apocalyptic number.

It is an amenable number.

1200034312 is a deficient number, since it is larger than the sum of its proper divisors (1050030038).

1200034312 is a wasteful number, since it uses less digits than its factorization.

1200034312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150004295 (or 150004291 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1200034312 is about 34641.5113988983. The cubic root of 1200034312 is about 1062.6686974030.

Adding to 1200034312 its reverse (2134300021), we get a palindrome (3334334333).

The spelling of 1200034312 in words is "one billion, two hundred million, thirty-four thousand, three hundred twelve".