72016161120012 has 24 divisors (see below), whose sum is σ = 168292698235200. Its totient is φ = 23968960046416.

The previous prime is 72016161119983. The next prime is 72016161120019. The reversal of 72016161120012 is 21002116161027.

It is not an unprimeable number, because it can be changed into a prime (72016161120019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4553365962 + ... + 4553381777.

It is an arithmetic number, because the mean of its divisors is an integer number (7012195759800).

Almost surely, 2^{72016161120012} is an apocalyptic number.

It is an amenable number.

72016161120012 is an abundant number, since it is smaller than the sum of its proper divisors (96276537115188).

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

72016161120012 is a wasteful number, since it uses less digits than its factorization.

72016161120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106748405 (or 9106748403 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

Adding to 72016161120012 its reverse (21002116161027), we get a palindrome (93018277281039).

The spelling of 72016161120012 in words is "seventy-two trillion, sixteen billion, one hundred sixty-one million, one hundred twenty thousand, twelve".