42012215525325 has 72 divisors (see below), whose sum is σ = 73313542695456. Its totient is φ = 21225737520000.

The previous prime is 42012215525309. The next prime is 42012215525327. The reversal of 42012215525325 is 52352551221024.

It is not a de Polignac number, because 42012215525325 - 2⁴ = 42012215525309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012215525327) 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 71 ways as a sum of consecutive naturals, for example, 457548670 + ... + 457640480.

It is an arithmetic number, because the mean of its divisors is an integer number (1018243648548).

Almost surely, 2^{42012215525325} is an apocalyptic number.

It is an amenable number.

42012215525325 is a deficient number, since it is larger than the sum of its proper divisors (31301327170131).

42012215525325 is a wasteful number, since it uses less digits than its factorization.

42012215525325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108763 (or 108739 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 42012215525325 its reverse (52352551221024), we get a palindrome (94364766746349).

The spelling of 42012215525325 in words is "forty-two trillion, twelve billion, two hundred fifteen million, five hundred twenty-five thousand, three hundred twenty-five".