1231012003012 has 96 divisors (see below), whose sum is σ = 2432457216000. Its totient is φ = 540194912640.

The previous prime is 1231012002989. The next prime is 1231012003019. The reversal of 1231012003012 is 2103002101321.

It is not an unprimeable number, because it can be changed into a prime (1231012003019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139581939 + ... + 139590757.

It is an arithmetic number, because the mean of its divisors is an integer number (25338096000).

Almost surely, 2^{1231012003012} is an apocalyptic number.

It is an amenable number.

1231012003012 is a deficient number, since it is larger than the sum of its proper divisors (1201445212988).

1231012003012 is a wasteful number, since it uses less digits than its factorization.

1231012003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529 (or 9527 counting only the distinct ones).

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

Adding to 1231012003012 its reverse (2103002101321), we get a palindrome (3334014104333).

The spelling of 1231012003012 in words is "one trillion, two hundred thirty-one billion, twelve million, three thousand, twelve".