52332440212 has 72 divisors (see below), whose sum is σ = 107602097624. Its totient is φ = 22118012928.

The previous prime is 52332440191. The next prime is 52332440213. The reversal of 52332440212 is 21204423325.

It can be written as a sum of positive squares in 12 ways, for example, as 94595076 + 52237845136 = 9726^2 + 228556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52332440213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508978 + ... + 603094.

Almost surely, 2^52332440212 is an apocalyptic number.

52332440212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52332440212 is an abundant number, since it is smaller than the sum of its proper divisors (55269657412).

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

52332440212 is a wasteful number, since it uses less digits than its factorization.

52332440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94205 (or 94186 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 52332440212 its reverse (21204423325), we get a palindrome (73536863537).

The spelling of 52332440212 in words is "fifty-two billion, three hundred thirty-two million, four hundred forty thousand, two hundred twelve".