12030101100 has 288 divisors, whose sum is σ = 40021396800. Its totient is φ = 3097958400.

The previous prime is 12030101071. The next prime is 12030101101. The reversal of 12030101100 is 110103021.

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

It is not an unprimeable number, because it can be changed into a prime (12030101101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12065802 + ... + 12066798.

Almost surely, 2^12030101100 is an apocalyptic number.

12030101100 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 12030101100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20010698400).

12030101100 is an abundant number, since it is smaller than the sum of its proper divisors (27991295700).

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

12030101100 is a wasteful number, since it uses less digits than its factorization.

12030101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 12030101100 its reverse (110103021), we get a palindrome (12140204121).

The spelling of 12030101100 in words is "twelve billion, thirty million, one hundred one thousand, one hundred".