12289810987344 has 80 divisors (see below), whose sum is σ = 35571000899520. Its totient is φ = 3623531489280.

The previous prime is 12289810987331. The next prime is 12289810987357. The reversal of 12289810987344 is 44378901898221.

12289810987344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12289810987331) and next prime (12289810987357).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314523129 + ... + 314562200.

It is an arithmetic number, because the mean of its divisors is an integer number (444637511244).

Almost surely, 2^{12289810987344} is an apocalyptic number.

It is an amenable number.

12289810987344 is an abundant number, since it is smaller than the sum of its proper divisors (23281189912176).

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

12289810987344 is a wasteful number, since it uses less digits than its factorization.

12289810987344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629085388 (or 629085382 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 12289810987344 in words is "twelve trillion, two hundred eighty-nine billion, eight hundred ten million, nine hundred eighty-seven thousand, three hundred forty-four".