72012103227 has 12 divisors (see below), whose sum is σ = 104043212104. Its totient is φ = 47996193600.

The previous prime is 72012103147. The next prime is 72012103297. The reversal of 72012103227 is 72230121027.

It is not a de Polignac number, because 72012103227 - 2⁸ = 72012102971 is a prime.

It is a super-2 number, since 2×72012103227² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72012103227.

It is not an unprimeable number, because it can be changed into a prime (72012103297) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 951118 + ... + 1024035.

Almost surely, 2^72012103227 is an apocalyptic number.

72012103227 is a deficient number, since it is larger than the sum of its proper divisors (32031108877).

72012103227 is a wasteful number, since it uses less digits than its factorization.

72012103227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979210 (or 1979207 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The spelling of 72012103227 in words is "seventy-two billion, twelve million, one hundred three thousand, two hundred twenty-seven".