63420460212 has 12 divisors (see below), whose sum is σ = 147981073856. Its totient is φ = 21140153400.

The previous prime is 63420460177. The next prime is 63420460217. The reversal of 63420460212 is 21206402436.

63420460212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 63420460212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63420460217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2642519164 + ... + 2642519187.

Almost surely, 2^63420460212 is an apocalyptic number.

It is an amenable number.

63420460212 is an abundant number, since it is smaller than the sum of its proper divisors (84560613644).

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

63420460212 is a wasteful number, since it uses less digits than its factorization.

63420460212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285038358 (or 5285038356 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 63420460212 its reverse (21206402436), we get a palindrome (84626862648).

The spelling of 63420460212 in words is "sixty-three billion, four hundred twenty million, four hundred sixty thousand, two hundred twelve".