1331042012 has 6 divisors (see below), whose sum is σ = 2329323528. Its totient is φ = 665521004.

The previous prime is 1331042003. The next prime is 1331042023. The reversal of 1331042012 is 2102401331.

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 as a sum of consecutive naturals, namely, 166380248 + ... + 166380255.

It is an arithmetic number, because the mean of its divisors is an integer number (388220588).

Almost surely, 2^1331042012 is an apocalyptic number.

It is an amenable number.

1331042012 is a deficient number, since it is larger than the sum of its proper divisors (998281516).

1331042012 is a wasteful number, since it uses less digits than its factorization.

1331042012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332760507 (or 332760505 counting only the distinct ones).

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

The square root of 1331042012 is about 36483.4484663936. The cubic root of 1331042012 is about 1100.0115734320.

Adding to 1331042012 its reverse (2102401331), we get a palindrome (3433443343).

The spelling of 1331042012 in words is "one billion, three hundred thirty-one million, forty-two thousand, twelve".