7122420242217 has 48 divisors (see below), whose sum is σ = 12684164388480. Its totient is φ = 3758270870016.

The previous prime is 7122420242143. The next prime is 7122420242219.

7122420242217 is a `hidden beast` number, since 7 + 1 + 2 + 2 + 420 + 2 + 4 + 221 + 7 = 666.

7122420242217 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7122420242217 - 2¹⁸ = 7122419980073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7122420242219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62681467 + ... + 62794992.

It is an arithmetic number, because the mean of its divisors is an integer number (264253424760).

Almost surely, 2^{7122420242217} is an apocalyptic number.

It is an amenable number.

7122420242217 is a deficient number, since it is larger than the sum of its proper divisors (5561744146263).

7122420242217 is a wasteful number, since it uses less digits than its factorization.

7122420242217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125476542 (or 125476539 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

It can be divided in two parts, 7122420 and 242217, that added together give a palindrome (7364637).

The spelling of 7122420242217 in words is "seven trillion, one hundred twenty-two billion, four hundred twenty million, two hundred forty-two thousand, two hundred seventeen".