72830012012 has 6 divisors (see below), whose sum is σ = 127452521028. Its totient is φ = 36415006004.

The previous prime is 72830011993. The next prime is 72830012071. The reversal of 72830012012 is 21021003827.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9103751498 + ... + 9103751505.

It is an arithmetic number, because the mean of its divisors is an integer number (21242086838).

Almost surely, 2^72830012012 is an apocalyptic number.

It is an amenable number.

72830012012 is a deficient number, since it is larger than the sum of its proper divisors (54622509016).

72830012012 is a wasteful number, since it uses less digits than its factorization.

72830012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18207503007 (or 18207503005 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 72830012012 its reverse (21021003827), we get a palindrome (93851015839).

The spelling of 72830012012 in words is "seventy-two billion, eight hundred thirty million, twelve thousand, twelve".