1232311012 has 12 divisors (see below), whose sum is σ = 2157724800. Its totient is φ = 615818216.

The previous prime is 1232311009. The next prime is 1232311013. The reversal of 1232311012 is 2101132321.

It is not an unprimeable number, because it can be changed into a prime (1232311013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76012 + ... + 90787.

It is an arithmetic number, because the mean of its divisors is an integer number (179810400).

Almost surely, 2^1232311012 is an apocalyptic number.

It is an amenable number.

1232311012 is a deficient number, since it is larger than the sum of its proper divisors (925413788).

1232311012 is a wasteful number, since it uses less digits than its factorization.

1232311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168650 (or 168648 counting only the distinct ones).

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

The square root of 1232311012 is about 35104.2876583474. The cubic root of 1232311012 is about 1072.1118833715. Note that the first 3 decimals are identical.

Adding to 1232311012 its reverse (2101132321), we get a palindrome (3333443333).

The spelling of 1232311012 in words is "one billion, two hundred thirty-two million, three hundred eleven thousand, twelve".