12220212325441 has 4 divisors (see below), whose sum is σ = 12751525904832. Its totient is φ = 11688898746052.

The previous prime is 12220212325429. The next prime is 12220212325457. The reversal of 12220212325441 is 14452321202221.

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 12220212325441 - 2⁷ = 12220212325313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220212325411) 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, 265656789661 + ... + 265656789706.

It is an arithmetic number, because the mean of its divisors is an integer number (3187881476208).

Almost surely, 2^{12220212325441} is an apocalyptic number.

It is an amenable number.

12220212325441 is a deficient number, since it is larger than the sum of its proper divisors (531313579391).

12220212325441 is an equidigital number, since it uses as much as digits as its factorization.

12220212325441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531313579390.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 12220212325441 its reverse (14452321202221), we get a palindrome (26672533527662).

The spelling of 12220212325441 in words is "twelve trillion, two hundred twenty billion, two hundred twelve million, three hundred twenty-five thousand, four hundred forty-one".