7207056122172 has 24 divisors (see below), whose sum is σ = 16816744775376. Its totient is φ = 2402311970688.

The previous prime is 7207056122087. The next prime is 7207056122173. The reversal of 7207056122172 is 2712216507027.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7207056122173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4254793 + ... + 5702400.

It is an arithmetic number, because the mean of its divisors is an integer number (700697698974).

Almost surely, 2^{7207056122172} is an apocalyptic number.

It is an amenable number.

7207056122172 is an abundant number, since it is smaller than the sum of its proper divisors (9609688653204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7207056122172 is a wasteful number, since it uses less digits than its factorization.

7207056122172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017517 (or 10017515 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 7207056122172 in words is "seven trillion, two hundred seven billion, fifty-six million, one hundred twenty-two thousand, one hundred seventy-two".