12100300032 has 144 divisors (see below), whose sum is σ = 33218760960. Its totient is φ = 3907362816.

The previous prime is 12100299997. The next prime is 12100300033. The reversal of 12100300032 is 23000300121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12100299990 and 12100300017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100300033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7643113 + ... + 7644695.

It is an arithmetic number, because the mean of its divisors is an integer number (230685840).

Almost surely, 2^12100300032 is an apocalyptic number.

12100300032 is a gapful number since it is divisible by the number (12) 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 12100300032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16609380480).

12100300032 is an abundant number, since it is smaller than the sum of its proper divisors (21118460928).

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

12100300032 is a wasteful number, since it uses less digits than its factorization.

12100300032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 12100300032 its reverse (23000300121), we get a palindrome (35100600153).

The spelling of 12100300032 in words is "twelve billion, one hundred million, three hundred thousand, thirty-two".