12388834730770 has 16 divisors (see below), whose sum is σ = 22386672568728. Its totient is φ = 4936251658240.

The previous prime is 12388834730749. The next prime is 12388834730801. The reversal of 12388834730770 is 7703743888321.

It can be written as a sum of positive squares in 4 ways, for example, as 11781664948249 + 607169782521 = 3432443^2 + 779211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12388834730699 and 12388834730708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2410276561 + ... + 2410281700.

Almost surely, 2^{12388834730770} is an apocalyptic number.

12388834730770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12388834730770 is a deficient number, since it is larger than the sum of its proper divisors (9997837837958).

12388834730770 is a wasteful number, since it uses less digits than its factorization.

12388834730770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820558525.

The product of its (nonzero) digits is 37933056, while the sum is 61.

The spelling of 12388834730770 in words is "twelve trillion, three hundred eighty-eight billion, eight hundred thirty-four million, seven hundred thirty thousand, seven hundred seventy".