12010221211 has 8 divisors (see below), whose sum is σ = 12609807120. Its totient is φ = 11422998048.

The previous prime is 12010221203. The next prime is 12010221277. The reversal of 12010221211 is 11212201021.

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 12010221211 - 2³ = 12010221203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010221191 and 12010221200.

It is not an unprimeable number, because it can be changed into a prime (12010221911) 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, 3088696 + ... + 3092581.

It is an arithmetic number, because the mean of its divisors is an integer number (1576225890).

Almost surely, 2^12010221211 is an apocalyptic number.

12010221211 is a deficient number, since it is larger than the sum of its proper divisors (599585909).

12010221211 is an equidigital number, since it uses as much as digits as its factorization.

12010221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181373.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010221211 its reverse (11212201021), we get a palindrome (23222422232).

The spelling of 12010221211 in words is "twelve billion, ten million, two hundred twenty-one thousand, two hundred eleven".