1200442012 has 48 divisors (see below), whose sum is σ = 2773225728. Its totient is φ = 440190720.

The previous prime is 1200441937. The next prime is 1200442043. The reversal of 1200442012 is 2102440021.

It is a super-2 number, since 2×1200442012² = 2882122048349216288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109398 + ... + 119869.

It is an arithmetic number, because the mean of its divisors is an integer number (57775536).

Almost surely, 2^1200442012 is an apocalyptic number.

It is an amenable number.

1200442012 is an abundant number, since it is smaller than the sum of its proper divisors (1572783716).

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

1200442012 is a wasteful number, since it uses less digits than its factorization.

1200442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229306 (or 229304 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1200442012 is about 34647.3954576675. The cubic root of 1200442012 is about 1062.7890275660.

Adding to 1200442012 its reverse (2102440021), we get a palindrome (3302882033).

The spelling of 1200442012 in words is "one billion, two hundred million, four hundred forty-two thousand, twelve".