5215441212 has 18 divisors (see below), whose sum is σ = 13183476488. Its totient is φ = 1738480392.

The previous prime is 5215441201. The next prime is 5215441219. The reversal of 5215441212 is 2121445125.

It is a happy number.

5215441212 is a `hidden beast` number, since 5 + 2 + 1 + 5 + 441 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215441219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72436648 + ... + 72436719.

Almost surely, 2^5215441212 is an apocalyptic number.

It is an amenable number.

5215441212 is an abundant number, since it is smaller than the sum of its proper divisors (7968035276).

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

5215441212 is a wasteful number, since it uses less digits than its factorization.

5215441212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144873377 (or 144873372 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 5215441212 is about 72218.0116868361. The cubic root of 5215441212 is about 1734.1913598912.

Adding to 5215441212 its reverse (2121445125), we get a palindrome (7336886337).

The spelling of 5215441212 in words is "five billion, two hundred fifteen million, four hundred forty-one thousand, two hundred twelve".