12011012300 has 108 divisors (see below), whose sum is σ = 30559544064. Its totient is φ = 4085424000.

The previous prime is 12011012287. The next prime is 12011012309. The reversal of 12011012300 is 321011021.

It is not an unprimeable number, because it can be changed into a prime (12011012309) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 612650 + ... + 631950.

Almost surely, 2^12011012300 is an apocalyptic number.

12011012300 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 12011012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15279772032).

12011012300 is an abundant number, since it is smaller than the sum of its proper divisors (18548531764).

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

12011012300 is a wasteful number, since it uses less digits than its factorization.

12011012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19456 (or 19442 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12011012300 its reverse (321011021), we get a palindrome (12332023321).

The spelling of 12011012300 in words is "twelve billion, eleven million, twelve thousand, three hundred".