12011000230020 has 48 divisors (see below), whose sum is σ = 36688146159168. Its totient is φ = 2911757631360.

The previous prime is 12011000230003. The next prime is 12011000230069. The reversal of 12011000230020 is 2003200011021.

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 = 12011000229978 and 12011000230005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9099241939 + ... + 9099243258.

It is an arithmetic number, because the mean of its divisors is an integer number (764336378316).

Almost surely, 2^{12011000230020} is an apocalyptic number.

12011000230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011000230020 is an abundant number, since it is smaller than the sum of its proper divisors (24677145929148).

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

12011000230020 is a wasteful number, since it uses less digits than its factorization.

12011000230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18198485220 (or 18198485218 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12011000230020 its reverse (2003200011021), we get a palindrome (14014200241041).

The spelling of 12011000230020 in words is "twelve trillion, eleven billion, two hundred thirty thousand, twenty".