12122777726016 has 28 divisors (see below), whose sum is σ = 32074849400592. Its totient is φ = 4040925908608.

The previous prime is 12122777725997. The next prime is 12122777726041. The reversal of 12122777726016 is 61062777722121.

It is a self number, because there is not a number n which added to its sum of digits gives 12122777726016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31569733470 + ... + 31569733853.

Almost surely, 2^{12122777726016} is an apocalyptic number.

12122777726016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12122777726016 is an abundant number, since it is smaller than the sum of its proper divisors (19952071674576).

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

12122777726016 is an equidigital number, since it uses as much as digits as its factorization.

12122777726016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63139467338 (or 63139467328 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 51.

The spelling of 12122777726016 in words is "twelve trillion, one hundred twenty-two billion, seven hundred seventy-seven million, seven hundred twenty-six thousand, sixteen".