52173212242512 has 80 divisors (see below), whose sum is σ = 138070887040512. Its totient is φ = 16971394915200.

The previous prime is 52173212242511. The next prime is 52173212242531. The reversal of 52173212242512 is 21524221237125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52173212242511) 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, 75464364 + ... + 76152587.

Almost surely, 2^{52173212242512} is an apocalyptic number.

It is an amenable number.

52173212242512 is an abundant number, since it is smaller than the sum of its proper divisors (85897674798000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52173212242512 is a wasteful number, since it uses less digits than its factorization.

52173212242512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151617136 (or 151617130 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

Adding to 52173212242512 its reverse (21524221237125), we get a palindrome (73697433479637).

The spelling of 52173212242512 in words is "fifty-two trillion, one hundred seventy-three billion, two hundred twelve million, two hundred forty-two thousand, five hundred twelve".