12002000212121 has 8 divisors (see below), whose sum is σ = 12018233520000. Its totient is φ = 11985768118240.

The previous prime is 12002000212093. The next prime is 12002000212133. The reversal of 12002000212121 is 12121200020021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12002000212121 - 2¹⁴ = 12002000195737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002000212096 and 12002000212105.

It is not an unprimeable number, because it can be changed into a prime (12002000212171) 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, 20439380 + ... + 21018378.

It is an arithmetic number, because the mean of its divisors is an integer number (1502279190000).

Almost surely, 2^{12002000212121} is an apocalyptic number.

It is an amenable number.

12002000212121 is a deficient number, since it is larger than the sum of its proper divisors (16233307879).

12002000212121 is an equidigital number, since it uses as much as digits as its factorization.

12002000212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606999.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12002000212121 its reverse (12121200020021), we get a palindrome (24123200232142).

The spelling of 12002000212121 in words is "twelve trillion, two billion, two hundred twelve thousand, one hundred twenty-one".