12220030332121 has 4 divisors (see below), whose sum is σ = 12313313006544. Its totient is φ = 12126747657700.

The previous prime is 12220030332049. The next prime is 12220030332163. The reversal of 12220030332121 is 12123303002221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12220030332121 - 2²⁵ = 12219996777689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220030332092 and 12220030332101.

It is not an unprimeable number, because it can be changed into a prime (12220030432121) 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, 46641337015 + ... + 46641337276.

It is an arithmetic number, because the mean of its divisors is an integer number (3078328251636).

Almost surely, 2^{12220030332121} is an apocalyptic number.

It is an amenable number.

12220030332121 is a deficient number, since it is larger than the sum of its proper divisors (93282674423).

12220030332121 is an equidigital number, since it uses as much as digits as its factorization.

12220030332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93282674422.

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

Adding to 12220030332121 its reverse (12123303002221), we get a palindrome (24343333334342).

The spelling of 12220030332121 in words is "twelve trillion, two hundred twenty billion, thirty million, three hundred thirty-two thousand, one hundred twenty-one".