1231330210012 has 96 divisors (see below), whose sum is σ = 2522649507840. Its totient is φ = 515017863360.

The previous prime is 1231330210003. The next prime is 1231330210031. The reversal of 1231330210012 is 2100120331321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161949403 + ... + 161957005.

It is an arithmetic number, because the mean of its divisors is an integer number (26277599040).

Almost surely, 2^{1231330210012} is an apocalyptic number.

It is an amenable number.

1231330210012 is an abundant number, since it is smaller than the sum of its proper divisors (1291319297828).

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

1231330210012 is a wasteful number, since it uses less digits than its factorization.

1231330210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471 (or 8469 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1231330210012 its reverse (2100120331321), we get a palindrome (3331450541333).

The spelling of 1231330210012 in words is "one trillion, two hundred thirty-one billion, three hundred thirty million, two hundred ten thousand, twelve".