42012204022225 has 24 divisors (see below), whose sum is σ = 52116145067520. Its totient is φ = 33596209489920.

The previous prime is 42012204022223. The next prime is 42012204022247. The reversal of 42012204022225 is 52222040221024.

It is a happy number.

It is not a de Polignac number, because 42012204022225 - 2¹ = 42012204022223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42012204022193 and 42012204022202.

It is not an unprimeable number, because it can be changed into a prime (42012204022223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 877002624 + ... + 877050526.

It is an arithmetic number, because the mean of its divisors is an integer number (2171506044480).

Almost surely, 2^{42012204022225} is an apocalyptic number.

It is an amenable number.

42012204022225 is a deficient number, since it is larger than the sum of its proper divisors (10103941045295).

42012204022225 is a wasteful number, since it uses less digits than its factorization.

42012204022225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61329 (or 61324 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 42012204022225 its reverse (52222040221024), we get a palindrome (94234244243249).

The spelling of 42012204022225 in words is "forty-two trillion, twelve billion, two hundred four million, twenty-two thousand, two hundred twenty-five".