52221617210612 has 12 divisors (see below), whose sum is σ = 91847065447200. Its totient is φ = 25979598511416.

The previous prime is 52221617210603. The next prime is 52221617210617. The reversal of 52221617210612 is 21601271612225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52221617210617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32802522578 + ... + 32802524169.

It is an arithmetic number, because the mean of its divisors is an integer number (7653922120600).

Almost surely, 2^{52221617210612} is an apocalyptic number.

It is an amenable number.

52221617210612 is a deficient number, since it is larger than the sum of its proper divisors (39625448236588).

52221617210612 is a wasteful number, since it uses less digits than its factorization.

52221617210612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65605046950 (or 65605046948 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 52221617210612 its reverse (21601271612225), we get a palindrome (73822888822837).

The spelling of 52221617210612 in words is "fifty-two trillion, two hundred twenty-one billion, six hundred seventeen million, two hundred ten thousand, six hundred twelve".