12632023620 has 144 divisors (see below), whose sum is σ = 39371125248. Its totient is φ = 3276760320.

The previous prime is 12632023597. The next prime is 12632023627. The reversal of 12632023620 is 2632023621.

12632023620 is a `hidden beast` number, since 1 + 2 + 6 + 32 + 0 + 2 + 3 + 620 = 666.

It is not an unprimeable number, because it can be changed into a prime (12632023627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1408350 + ... + 1417290.

It is an arithmetic number, because the mean of its divisors is an integer number (273410592).

Almost surely, 2^12632023620 is an apocalyptic number.

12632023620 is a gapful number since it is divisible by the number (10) 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 12632023620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19685562624).

12632023620 is an abundant number, since it is smaller than the sum of its proper divisors (26739101628).

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

12632023620 is a wasteful number, since it uses less digits than its factorization.

12632023620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170 (or 9165 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Subtracting from 12632023620 its reverse (2632023621), we obtain a palindrome (9999999999).

The spelling of 12632023620 in words is "twelve billion, six hundred thirty-two million, twenty-three thousand, six hundred twenty".