72200723236612 has 12 divisors (see below), whose sum is σ = 126414095745616. Its totient is φ = 36082410166440.

The previous prime is 72200723236531. The next prime is 72200723236673. The reversal of 72200723236612 is 21663232700227.

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, 4487853918 + ... + 4487870005.

Almost surely, 2^{72200723236612} is an apocalyptic number.

It is an amenable number.

72200723236612 is a deficient number, since it is larger than the sum of its proper divisors (54213372509004).

72200723236612 is a wasteful number, since it uses less digits than its factorization.

72200723236612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8975725938 (or 8975725936 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 43.

Adding to 72200723236612 its reverse (21663232700227), we get a palindrome (93863955936839).

The spelling of 72200723236612 in words is "seventy-two trillion, two hundred billion, seven hundred twenty-three million, two hundred thirty-six thousand, six hundred twelve".