42325121217 has 16 divisors (see below), whose sum is σ = 56888655872. Its totient is φ = 27989251920.

The previous prime is 42325121191. The next prime is 42325121227. The reversal of 42325121217 is 71212152324.

It is not a de Polignac number, because 42325121217 - 2²³ = 42316732609 is a prime.

It is a super-2 number, since 2×42325121217² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42325121227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3846798 + ... + 3857784.

It is an arithmetic number, because the mean of its divisors is an integer number (3555540992).

Almost surely, 2^42325121217 is an apocalyptic number.

It is an amenable number.

42325121217 is a deficient number, since it is larger than the sum of its proper divisors (14563534655).

42325121217 is a wasteful number, since it uses less digits than its factorization.

42325121217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21228.

The product of its digits is 6720, while the sum is 30.

The spelling of 42325121217 in words is "forty-two billion, three hundred twenty-five million, one hundred twenty-one thousand, two hundred seventeen".