63109212 has 24 divisors (see below), whose sum is σ = 147568512. Its totient is φ = 20991600.

The previous prime is 63109201. The next prime is 63109213. The reversal of 63109212 is 21290136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63109213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537 + ... + 11247.

It is an arithmetic number, because the mean of its divisors is an integer number (6148688).

Almost surely, 2^63109212 is an apocalyptic number.

It is an amenable number.

63109212 is an abundant number, since it is smaller than the sum of its proper divisors (84459300).

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

63109212 is a wasteful number, since it uses less digits than its factorization.

63109212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11209 (or 11207 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 63109212 is about 7944.1306635780. The cubic root of 63109212 is about 398.1355144035.

Adding to 63109212 its reverse (21290136), we get a palindrome (84399348).

The spelling of 63109212 in words is "sixty-three million, one hundred nine thousand, two hundred twelve".