12000212010021 has 32 divisors (see below), whose sum is σ = 16172174333952. Its totient is φ = 7914735383040.

The previous prime is 12000212009969. The next prime is 12000212010097. The reversal of 12000212010021 is 12001021200021.

It is not a de Polignac number, because 12000212010021 - 2¹⁹ = 12000211485733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000212009979 and 12000212010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000212020021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113830491 + ... + 113935863.

It is an arithmetic number, because the mean of its divisors is an integer number (505380447936).

Almost surely, 2^{12000212010021} is an apocalyptic number.

It is an amenable number.

12000212010021 is a deficient number, since it is larger than the sum of its proper divisors (4171962323931).

12000212010021 is a wasteful number, since it uses less digits than its factorization.

12000212010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106653.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12000212010021 its reverse (12001021200021), we get a palindrome (24001233210042).

The spelling of 12000212010021 in words is "twelve trillion, two hundred twelve million, ten thousand, twenty-one".