12465278089068 has 48 divisors (see below), whose sum is σ = 33249957999104. Its totient is φ = 3560520551040.

The previous prime is 12465278089067. The next prime is 12465278089073. The reversal of 12465278089068 is 86098087256421.

It is a super-2 number, since 2×12465278089068² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12465278089067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20267593 + ... + 20873568.

Almost surely, 2^{12465278089068} is an apocalyptic number.

It is an amenable number.

12465278089068 is an abundant number, since it is smaller than the sum of its proper divisors (20784679910036).

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

12465278089068 is a wasteful number, since it uses less digits than its factorization.

12465278089068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41144782 (or 41144780 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 66.

The spelling of 12465278089068 in words is "twelve trillion, four hundred sixty-five billion, two hundred seventy-eight million, eighty-nine thousand, sixty-eight".