12778065030620 has 48 divisors (see below), whose sum is σ = 26950738421376. Its totient is φ = 5088993000000.

The previous prime is 12778065030593. The next prime is 12778065030623. The reversal of 12778065030620 is 2603056087721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12778065030623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13243595 + ... + 14175645.

It is an arithmetic number, because the mean of its divisors is an integer number (561473717112).

Almost surely, 2^{12778065030620} is an apocalyptic number.

12778065030620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12778065030620 is an abundant number, since it is smaller than the sum of its proper divisors (14172673390756).

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

12778065030620 is a wasteful number, since it uses less digits than its factorization.

12778065030620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935042 (or 935040 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 12778065030620 in words is "twelve trillion, seven hundred seventy-eight billion, sixty-five million, thirty thousand, six hundred twenty".