12722055612160 has 144 divisors (see below), whose sum is σ = 32272924291776. Its totient is φ = 4788429062144.

The previous prime is 12722055612113. The next prime is 12722055612181. The reversal of 12722055612160 is 6121655022721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102928317 + ... + 103051843.

It is an arithmetic number, because the mean of its divisors is an integer number (224117529804).

Almost surely, 2^{12722055612160} is an apocalyptic number.

12722055612160 is a gapful number since it is divisible by the number (10) 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 12722055612160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16136462145888).

12722055612160 is an abundant number, since it is smaller than the sum of its proper divisors (19550868679616).

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

12722055612160 is a wasteful number, since it uses less digits than its factorization.

12722055612160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128298 (or 128284 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 12722055612160 in words is "twelve trillion, seven hundred twenty-two billion, fifty-five million, six hundred twelve thousand, one hundred sixty".