12011203232000 has 144 divisors (see below), whose sum is σ = 34195896239232. Its totient is φ = 4118126745600.

The previous prime is 12011203231987. The next prime is 12011203232009. The reversal of 12011203232000 is 23230211021.

It is a self number, because there is not a number n which added to its sum of digits gives 12011203232000.

It is not an unprimeable number, because it can be changed into a prime (12011203232009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26586722 + ... + 27034721.

Almost surely, 2^{12011203232000} is an apocalyptic number.

12011203232000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011203232000 is an abundant number, since it is smaller than the sum of its proper divisors (22184693007232).

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

12011203232000 is an frugal number, since it uses more digits than its factorization.

12011203232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53621481 (or 53621457 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12011203232000 its reverse (23230211021), we get a palindrome (12034433443021).

The spelling of 12011203232000 in words is "twelve trillion, eleven billion, two hundred three million, two hundred thirty-two thousand".