12003000213121 has 4 divisors (see below), whose sum is σ = 12008751532992. Its totient is φ = 11997248893252.

The previous prime is 12003000213101. The next prime is 12003000213133. The reversal of 12003000213121 is 12131200030021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12003000213121 - 2⁵ = 12003000213089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003000213095 and 12003000213104.

It is not an unprimeable number, because it can be changed into a prime (12003000213101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2875656805 + ... + 2875660978.

It is an arithmetic number, because the mean of its divisors is an integer number (3002187883248).

Almost surely, 2^{12003000213121} is an apocalyptic number.

It is an amenable number.

12003000213121 is a deficient number, since it is larger than the sum of its proper divisors (5751319871).

12003000213121 is an equidigital number, since it uses as much as digits as its factorization.

12003000213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751319870.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12003000213121 its reverse (12131200030021), we get a palindrome (24134200243142).

The spelling of 12003000213121 in words is "twelve trillion, three billion, two hundred thirteen thousand, one hundred twenty-one".