3521245212 has 36 divisors (see below), whose sum is σ = 8903953240. Its totient is φ = 1173349152.

The previous prime is 3521245187. The next prime is 3521245223. The reversal of 3521245212 is 2125421253.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102318 + ... + 132330.

Almost surely, 2^3521245212 is an apocalyptic number.

It is an amenable number.

3521245212 is an abundant number, since it is smaller than the sum of its proper divisors (5382708028).

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

3521245212 is a wasteful number, since it uses less digits than its factorization.

3521245212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33282 (or 33277 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 3521245212 is about 59340.0809908446. The cubic root of 3521245212 is about 1521.3603374770.

Adding to 3521245212 its reverse (2125421253), we get a palindrome (5646666465).

The spelling of 3521245212 in words is "three billion, five hundred twenty-one million, two hundred forty-five thousand, two hundred twelve".