1220210414447 has 4 divisors (see below), whose sum is σ = 1220212677720. Its totient is φ = 1220208151176.

The previous prime is 1220210414441. The next prime is 1220210414639. The reversal of 1220210414447 is 7444140120221.

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 1220210414447 - 2⁴ = 1220210414431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220210414441) 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, 197204 + ... + 1574582.

It is an arithmetic number, because the mean of its divisors is an integer number (305053169430).

Almost surely, 2^{1220210414447} is an apocalyptic number.

1220210414447 is a deficient number, since it is larger than the sum of its proper divisors (2263273).

1220210414447 is an equidigital number, since it uses as much as digits as its factorization.

1220210414447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263272.

The product of its (nonzero) digits is 14336, while the sum is 32.

Adding to 1220210414447 its reverse (7444140120221), we get a palindrome (8664350534668).

The spelling of 1220210414447 in words is "one trillion, two hundred twenty billion, two hundred ten million, four hundred fourteen thousand, four hundred forty-seven".