12011103000 has 384 divisors, whose sum is σ = 44001921600. Its totient is φ = 2937600000.

The previous prime is 12011102989. The next prime is 12011103017. The reversal of 12011103000 is 30111021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29366796 + ... + 29367204.

Almost surely, 2^12011103000 is an apocalyptic number.

12011103000 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 12011103000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22000960800).

12011103000 is an abundant number, since it is smaller than the sum of its proper divisors (31990818600).

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

12011103000 is a wasteful number, since it uses less digits than its factorization.

12011103000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 683 counting only the distinct ones).

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

Adding to 12011103000 its reverse (30111021), we get a palindrome (12041214021).

The spelling of 12011103000 in words is "twelve billion, eleven million, one hundred three thousand".