12000033000021 has 64 divisors (see below), whose sum is σ = 17856224317440. Its totient is φ = 7107328800000.

The previous prime is 12000032999959. The next prime is 12000033000031.

It is a happy number.

12000033000021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12000033000021 - 2¹⁴ = 12000032983637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000032999970 and 12000033000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000033000031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1211997171 + ... + 1212007071.

It is an arithmetic number, because the mean of its divisors is an integer number (279003504960).

Almost surely, 2^{12000033000021} is an apocalyptic number.

12000033000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12000033000021 is a deficient number, since it is larger than the sum of its proper divisors (5856191317419).

12000033000021 is a wasteful number, since it uses less digits than its factorization.

12000033000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14698.

The product of its (nonzero) digits is 36, while the sum is 12.

It can be divided in two parts, 1200003 and 3000021, that added together give a palindrome (4200024).

The spelling of 12000033000021 in words is "twelve trillion, thirty-three million, twenty-one", and thus it is an aban number and an uban number.