1232205344512 has 36 divisors (see below), whose sum is σ = 2468949603120. Its totient is φ = 613760043008.

The previous prime is 1232205344509. The next prime is 1232205344521. The reversal of 1232205344512 is 2154435022321.

It is a super-2 number, since 2×1232205344512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9083437 + ... + 9218092.

It is an arithmetic number, because the mean of its divisors is an integer number (68581933420).

Almost surely, 2^{1232205344512} is an apocalyptic number.

It is an amenable number.

1232205344512 is an abundant number, since it is smaller than the sum of its proper divisors (1236744258608).

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

1232205344512 is an equidigital number, since it uses as much as digits as its factorization.

1232205344512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18301808 (or 18301794 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 1232205344512 in words is "one trillion, two hundred thirty-two billion, two hundred five million, three hundred forty-four thousand, five hundred twelve".