12220030323211 has 4 divisors (see below), whose sum is σ = 12224143429624. Its totient is φ = 12215917216800.

The previous prime is 12220030323187. The next prime is 12220030323247. The reversal of 12220030323211 is 11232303002221.

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

It is a cyclic number.

It is not a de Polignac number, because 12220030323211 - 2⁴³ = 3423937301003 is a prime.

It is a super-2 number, since 2×12220030323211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220030323811) 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, 2056548750 + ... + 2056554691.

It is an arithmetic number, because the mean of its divisors is an integer number (3056035857406).

Almost surely, 2^{12220030323211} is an apocalyptic number.

12220030323211 is a deficient number, since it is larger than the sum of its proper divisors (4113106413).

12220030323211 is an equidigital number, since it uses as much as digits as its factorization.

12220030323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113106412.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12220030323211 its reverse (11232303002221), we get a palindrome (23452333325432).

The spelling of 12220030323211 in words is "twelve trillion, two hundred twenty billion, thirty million, three hundred twenty-three thousand, two hundred eleven".