63105212 has 12 divisors (see below), whose sum is σ = 113996736. Its totient is φ = 30534720.

The previous prime is 63105199. The next prime is 63105221. The reversal of 63105212 is 21250136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254333 + ... + 254580.

It is an arithmetic number, because the mean of its divisors is an integer number (9499728).

Almost surely, 2^63105212 is an apocalyptic number.

63105212 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

63105212 is a deficient number, since it is larger than the sum of its proper divisors (50891524).

63105212 is a wasteful number, since it uses less digits than its factorization.

63105212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508948 (or 508946 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 63105212 is about 7943.8789013932. The cubic root of 63105212 is about 398.1271026590.

Adding to 63105212 its reverse (21250136), we get a palindrome (84355348).

The spelling of 63105212 in words is "sixty-three million, one hundred five thousand, two hundred twelve".