72310110112 has 24 divisors (see below), whose sum is σ = 143742676896. Its totient is φ = 35804033472.

The previous prime is 72310110109. The next prime is 72310110179. The reversal of 72310110112 is 21101101327.

It is a self number, because there is not a number n which added to its sum of digits gives 72310110112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10966078 + ... + 10972669.

It is an arithmetic number, because the mean of its divisors is an integer number (5989278204).

Almost surely, 2^72310110112 is an apocalyptic number.

It is an amenable number.

72310110112 is a deficient number, since it is larger than the sum of its proper divisors (71432566784).

72310110112 is a wasteful number, since it uses less digits than its factorization.

72310110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938860 (or 21938852 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 72310110112 its reverse (21101101327), we get a palindrome (93411211439).

The spelling of 72310110112 in words is "seventy-two billion, three hundred ten million, one hundred ten thousand, one hundred twelve".