12051224411 has 4 divisors (see below), whose sum is σ = 12685499400. Its totient is φ = 11416949424.

The previous prime is 12051224377. The next prime is 12051224441. The reversal of 12051224411 is 11442215021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11442215021 = 12577 ⋅909773.

It is a cyclic number.

It is not a de Polignac number, because 12051224411 - 2⁶ = 12051224347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12051224441) 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, 317137466 + ... + 317137503.

It is an arithmetic number, because the mean of its divisors is an integer number (3171374850).

Almost surely, 2^12051224411 is an apocalyptic number.

12051224411 is a deficient number, since it is larger than the sum of its proper divisors (634274989).

12051224411 is an equidigital number, since it uses as much as digits as its factorization.

12051224411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634274988.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 12051224411 its reverse (11442215021), we get a palindrome (23493439432).

The spelling of 12051224411 in words is "twelve billion, fifty-one million, two hundred twenty-four thousand, four hundred eleven".