12651700820016 has 160 divisors (see below), whose sum is σ = 33432638174208. Its totient is φ = 4121698775040.

The previous prime is 12651700819873. The next prime is 12651700820023. The reversal of 12651700820016 is 61002800715621.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339414756 + ... + 339452028.

Almost surely, 2^{12651700820016} is an apocalyptic number.

12651700820016 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 12651700820016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16716319087104).

12651700820016 is an abundant number, since it is smaller than the sum of its proper divisors (20780937354192).

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

12651700820016 is a wasteful number, since it uses less digits than its factorization.

12651700820016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38219 (or 38213 counting only the distinct ones).

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

The spelling of 12651700820016 in words is "twelve trillion, six hundred fifty-one billion, seven hundred million, eight hundred twenty thousand, sixteen".