63212412 has 12 divisors (see below), whose sum is σ = 147495656. Its totient is φ = 21070800.

The previous prime is 63212399. The next prime is 63212417. The reversal of 63212412 is 21421236.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63212417) 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, 2633839 + ... + 2633862.

Almost surely, 2^63212412 is an apocalyptic number.

It is an amenable number.

63212412 is an abundant number, since it is smaller than the sum of its proper divisors (84283244).

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

63212412 is a wasteful number, since it uses less digits than its factorization.

63212412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5267708 (or 5267706 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 63212412 is about 7950.6233717866. The cubic root of 63212412 is about 398.3524146404.

Adding to 63212412 its reverse (21421236), we get a palindrome (84633648).

The spelling of 63212412 in words is "sixty-three million, two hundred twelve thousand, four hundred twelve".