72153010312 has 16 divisors (see below), whose sum is σ = 138433101840. Its totient is φ = 35237516496.

The previous prime is 72153010277. The next prime is 72153010367. The reversal of 72153010312 is 21301035127.

It is a happy number.

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, 104873218 + ... + 104873905.

It is an arithmetic number, because the mean of its divisors is an integer number (8652068865).

Almost surely, 2^72153010312 is an apocalyptic number.

It is an amenable number.

72153010312 is a deficient number, since it is larger than the sum of its proper divisors (66280091528).

72153010312 is a wasteful number, since it uses less digits than its factorization.

72153010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209747172 (or 209747168 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 72153010312 its reverse (21301035127), we get a palindrome (93454045439).

The spelling of 72153010312 in words is "seventy-two billion, one hundred fifty-three million, ten thousand, three hundred twelve".