12030020100 has 288 divisors, whose sum is σ = 44323829760. Its totient is φ = 2741973120.

The previous prime is 12030020099. The next prime is 12030020153. The reversal of 12030020100 is 102003021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9203647 + ... + 9204953.

Almost surely, 2^12030020100 is an apocalyptic number.

12030020100 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 12030020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22161914880).

12030020100 is an abundant number, since it is smaller than the sum of its proper divisors (32293809660).

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

12030020100 is a wasteful number, since it uses less digits than its factorization.

12030020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 12030020100 its reverse (102003021), we get a palindrome (12132023121).

The spelling of 12030020100 in words is "twelve billion, thirty million, twenty thousand, one hundred".