5252131212 has 12 divisors (see below), whose sum is σ = 12254972856. Its totient is φ = 1750710400.

The previous prime is 5252131211. The next prime is 5252131223. The reversal of 5252131212 is 2121312525.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5252131211) 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, 218838789 + ... + 218838812.

It is an arithmetic number, because the mean of its divisors is an integer number (1021247738).

Almost surely, 2^5252131212 is an apocalyptic number.

It is an amenable number.

5252131212 is an abundant number, since it is smaller than the sum of its proper divisors (7002841644).

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

5252131212 is a wasteful number, since it uses less digits than its factorization.

5252131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437677608 (or 437677606 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 5252131212 is about 72471.5889987242. The cubic root of 5252131212 is about 1738.2484699826.

Adding to 5252131212 its reverse (2121312525), we get a palindrome (7373443737).

The spelling of 5252131212 in words is "five billion, two hundred fifty-two million, one hundred thirty-one thousand, two hundred twelve".