12750681216 has 192 divisors, whose sum is σ = 42430106880. Its totient is φ = 3362752512.

The previous prime is 12750681211. The next prime is 12750681247. The reversal of 12750681216 is 61218605721.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12750681211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218545 + ... + 270671.

It is an arithmetic number, because the mean of its divisors is an integer number (220990140).

Almost surely, 2^12750681216 is an apocalyptic number.

12750681216 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 12750681216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21215053440).

12750681216 is an abundant number, since it is smaller than the sum of its proper divisors (29679425664).

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

12750681216 is a wasteful number, since it uses less digits than its factorization.

12750681216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52171 (or 52152 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 12750681216 in words is "twelve billion, seven hundred fifty million, six hundred eighty-one thousand, two hundred sixteen".