12681245446212 has 192 divisors, whose sum is σ = 34983847309824. Its totient is φ = 3500415959040.

The previous prime is 12681245446189. The next prime is 12681245446213. The reversal of 12681245446212 is 21264454218621.

It is not an unprimeable number, because it can be changed into a prime (12681245446213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 200490912 + ... + 200554152.

It is an arithmetic number, because the mean of its divisors is an integer number (182207538072).

Almost surely, 2^{12681245446212} is an apocalyptic number.

12681245446212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12681245446212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17491923654912).

12681245446212 is an abundant number, since it is smaller than the sum of its proper divisors (22302601863612).

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

12681245446212 is a wasteful number, since it uses less digits than its factorization.

12681245446212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63998 (or 63996 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The spelling of 12681245446212 in words is "twelve trillion, six hundred eighty-one billion, two hundred forty-five million, four hundred forty-six thousand, two hundred twelve".