1012331212 has 12 divisors (see below), whose sum is σ = 1791485640. Its totient is φ = 500478176.

The previous prime is 1012331209. The next prime is 1012331213. The reversal of 1012331212 is 2121332101.

It is not an unprimeable number, because it can be changed into a prime (1012331213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1421458 + ... + 1422169.

It is an arithmetic number, because the mean of its divisors is an integer number (149290470).

Almost surely, 2^1012331212 is an apocalyptic number.

It is an amenable number.

1012331212 is a deficient number, since it is larger than the sum of its proper divisors (779154428).

1012331212 is a wasteful number, since it uses less digits than its factorization.

1012331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843720 (or 2843718 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1012331212 is about 31817.1527953084. The cubic root of 1012331212 is about 1004.0936233810.

Adding to 1012331212 its reverse (2121332101), we get a palindrome (3133663313).

The spelling of 1012331212 in words is "one billion, twelve million, three hundred thirty-one thousand, two hundred twelve".