52206404536212 has 24 divisors (see below), whose sum is σ = 122427079320000. Its totient is φ = 17314686930816.

The previous prime is 52206404536183. The next prime is 52206404536267. The reversal of 52206404536212 is 21263540460225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10930986837 + ... + 10930991612.

It is an arithmetic number, because the mean of its divisors is an integer number (5101128305000).

Almost surely, 2^{52206404536212} is an apocalyptic number.

It is an amenable number.

52206404536212 is an abundant number, since it is smaller than the sum of its proper divisors (70220674783788).

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

52206404536212 is a wasteful number, since it uses less digits than its factorization.

52206404536212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21861978655 (or 21861978653 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 52206404536212 its reverse (21263540460225), we get a palindrome (73469944996437).

The spelling of 52206404536212 in words is "fifty-two trillion, two hundred six billion, four hundred four million, five hundred thirty-six thousand, two hundred twelve".