12287926665216 has 680 divisors, whose sum is σ = 38367522547200. Its totient is φ = 3914638295040.

The previous prime is 12287926665181. The next prime is 12287926665227. The reversal of 12287926665216 is 61256662978221.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14645919325 + ... + 14645920163.

Almost surely, 2^{12287926665216} is an apocalyptic number.

12287926665216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12287926665216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19183761273600).

12287926665216 is an abundant number, since it is smaller than the sum of its proper divisors (26079595881984).

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

12287926665216 is an frugal number, since it uses more digits than its factorization.

12287926665216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 964 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 12287926665216 in words is "twelve trillion, two hundred eighty-seven billion, nine hundred twenty-six million, six hundred sixty-five thousand, two hundred sixteen".