63612000000 has 1008 divisors, whose sum is σ = 255496729600. Its totient is φ = 15552000000.

The previous prime is 63611999987. The next prime is 63612000071. The reversal of 63612000000 is 21636.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2051999985 + ... + 2052000015.

Almost surely, 2^63612000000 is an apocalyptic number.

63612000000 is a gapful number since it is divisible by the number (60) 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 63612000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127748364800).

63612000000 is an abundant number, since it is smaller than the sum of its proper divisors (191884729600).

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

63612000000 is an frugal number, since it uses more digits than its factorization.

63612000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 63612000000 its reverse (21636), we get a palindrome (63612021636).

The spelling of 63612000000 in words is "sixty-three billion, six hundred twelve million", and thus it is an aban number.