12031223033000 has 32 divisors (see below), whose sum is σ = 28153061899560. Its totient is φ = 4812489212800.

The previous prime is 12031223032991. The next prime is 12031223033003. The reversal of 12031223033000 is 33032213021.

12031223033000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3629352667396 + 8401870365604 = 1905086^2 + 2898598^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12031223033003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6015610517 + ... + 6015612516.

Almost surely, 2^{12031223033000} is an apocalyptic number.

12031223033000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031223033000 is an abundant number, since it is smaller than the sum of its proper divisors (16121838866560).

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

12031223033000 is a wasteful number, since it uses less digits than its factorization.

12031223033000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12031223054 (or 12031223040 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12031223033000 its reverse (33032213021), we get a palindrome (12064255246021).

The spelling of 12031223033000 in words is "twelve trillion, thirty-one billion, two hundred twenty-three million, thirty-three thousand".