52102212 has 48 divisors (see below), whose sum is σ = 133176960. Its totient is φ = 15780352.

The previous prime is 52102207. The next prime is 52102213. The reversal of 52102212 is 21220125.

It is a junction number, because it is equal to n+sod(n) for n = 52102191 and 52102200.

It is not an unprimeable number, because it can be changed into a prime (52102213) 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, 1513 + ... + 10319.

It is an arithmetic number, because the mean of its divisors is an integer number (2774520).

Almost surely, 2^52102212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52102212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66588480).

52102212 is an abundant number, since it is smaller than the sum of its proper divisors (81074748).

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

52102212 is a wasteful number, since it uses less digits than its factorization.

52102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8860 (or 8858 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 52102212 is about 7218.1861987621. The cubic root of 52102212 is about 373.4955116672.

Adding to 52102212 its reverse (21220125), we get a palindrome (73322337).

The spelling of 52102212 in words is "fifty-two million, one hundred two thousand, two hundred twelve".