1200530412 has 36 divisors (see below), whose sum is σ = 3213185976. Its totient is φ = 376636800.

The previous prime is 1200530393. The next prime is 1200530449. The reversal of 1200530412 is 2140350021.

1200530412 is a `hidden beast` number, since 1 + 200 + 53 + 0 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 980214 + ... + 981437.

It is an arithmetic number, because the mean of its divisors is an integer number (89255166).

Almost surely, 2^1200530412 is an apocalyptic number.

1200530412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200530412 is an abundant number, since it is smaller than the sum of its proper divisors (2012655564).

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

1200530412 is a wasteful number, since it uses less digits than its factorization.

1200530412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961678 (or 1961673 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1200530412 is about 34648.6711433498. The cubic root of 1200530412 is about 1062.8151146914.

Adding to 1200530412 its reverse (2140350021), we get a palindrome (3340880433).

The spelling of 1200530412 in words is "one billion, two hundred million, five hundred thirty thousand, four hundred twelve".