42021288212025 has 24 divisors (see below), whose sum is σ = 70191435661984. Its totient is φ = 22180308825600.

The previous prime is 42021288212023. The next prime is 42021288212041. The reversal of 42021288212025 is 52021288212024.

It is not a de Polignac number, because 42021288212025 - 2¹ = 42021288212023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42021288212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2888053771 + ... + 2888068320.

Almost surely, 2^{42021288212025} is an apocalyptic number.

It is an amenable number.

42021288212025 is a deficient number, since it is larger than the sum of its proper divisors (28170147449959).

42021288212025 is a wasteful number, since it uses less digits than its factorization.

42021288212025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5776122201 (or 5776122196 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

Subtracting 42021288212025 from its reverse (52021288212024), we obtain a palindrome (9999999999999).

The spelling of 42021288212025 in words is "forty-two trillion, twenty-one billion, two hundred eighty-eight million, two hundred twelve thousand, twenty-five".