63219912 has 128 divisors (see below), whose sum is σ = 190464000. Its totient is φ = 17107200.

The previous prime is 63219911. The next prime is 63219917. The reversal of 63219912 is 21991236.

It is a super-3 number, since 3×63219912³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (63219911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317589 + ... + 317787.

It is an arithmetic number, because the mean of its divisors is an integer number (1488000).

Almost surely, 2^63219912 is an apocalyptic number.

63219912 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63219912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95232000).

63219912 is an abundant number, since it is smaller than the sum of its proper divisors (127244088).

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

63219912 is a wasteful number, since it uses less digits than its factorization.

63219912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 303 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 63219912 is about 7951.0950189266. The cubic root of 63219912 is about 398.3681685347.

The spelling of 63219912 in words is "sixty-three million, two hundred nineteen thousand, nine hundred twelve".