12000010012211 has 4 divisors (see below), whose sum is σ = 12923087705472. Its totient is φ = 11076932318952.

The previous prime is 12000010012183. The next prime is 12000010012229. The reversal of 12000010012211 is 11221001000021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000010012211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000010012192 and 12000010012201.

It is not an unprimeable number, because it can be changed into a prime (12000010018211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461538846611 + ... + 461538846636.

It is an arithmetic number, because the mean of its divisors is an integer number (3230771926368).

Almost surely, 2^{12000010012211} is an apocalyptic number.

12000010012211 is a deficient number, since it is larger than the sum of its proper divisors (923077693261).

12000010012211 is an equidigital number, since it uses as much as digits as its factorization.

12000010012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923077693260.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12000010012211 its reverse (11221001000021), we get a palindrome (23221011012232).

The spelling of 12000010012211 in words is "twelve trillion, ten million, twelve thousand, two hundred eleven".