52212013240 has 32 divisors (see below), whose sum is σ = 118964088000. Its totient is φ = 20620439424.

The previous prime is 52212013237. The next prime is 52212013277. The reversal of 52212013240 is 4231021225.

It is a happy number.

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, 8258235 + ... + 8264554.

It is an arithmetic number, because the mean of its divisors is an integer number (3717627750).

Almost surely, 2^52212013240 is an apocalyptic number.

It is an amenable number.

52212013240 is an abundant number, since it is smaller than the sum of its proper divisors (66752074760).

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

52212013240 is a wasteful number, since it uses less digits than its factorization.

52212013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16522879 (or 16522875 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 52212013240 its reverse (4231021225), we get a palindrome (56443034465).

The spelling of 52212013240 in words is "fifty-two billion, two hundred twelve million, thirteen thousand, two hundred forty".