12142204211 has 16 divisors (see below), whose sum is σ = 12449451168. Its totient is φ = 11839488000.

The previous prime is 12142204177. The next prime is 12142204241. The reversal of 12142204211 is 11240224121.

It is a cyclic number.

It is not a de Polignac number, because 12142204211 - 2³⁰ = 11068462387 is a prime.

It is a super-2 number, since 2×12142204211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142204241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3226571 + ... + 3230331.

It is an arithmetic number, because the mean of its divisors is an integer number (778090698).

Almost surely, 2^12142204211 is an apocalyptic number.

12142204211 is a deficient number, since it is larger than the sum of its proper divisors (307246957).

12142204211 is an equidigital number, since it uses as much as digits as its factorization.

12142204211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12142204211 its reverse (11240224121), we get a palindrome (23382428332).

The spelling of 12142204211 in words is "twelve billion, one hundred forty-two million, two hundred four thousand, two hundred eleven".