12212976846728 has 128 divisors (see below), whose sum is σ = 27621410572800. Its totient is φ = 4949223358464.

The previous prime is 12212976846727. The next prime is 12212976846793. The reversal of 12212976846728 is 82764867921221.

It is not an unprimeable number, because it can be changed into a prime (12212976846727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712658576 + ... + 712675712.

It is an arithmetic number, because the mean of its divisors is an integer number (215792270100).

Almost surely, 2^{12212976846728} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212976846728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13810705286400).

12212976846728 is an abundant number, since it is smaller than the sum of its proper divisors (15408433726072).

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

12212976846728 is a wasteful number, since it uses less digits than its factorization.

12212976846728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23479 (or 23475 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 65.

The spelling of 12212976846728 in words is "twelve trillion, two hundred twelve billion, nine hundred seventy-six million, eight hundred forty-six thousand, seven hundred twenty-eight".