1220412424241 has 4 divisors (see below), whose sum is σ = 1221090056484. Its totient is φ = 1219734792000.

The previous prime is 1220412424223. The next prime is 1220412424277. The reversal of 1220412424241 is 1424242140221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 106393392400 + 1114019031841 = 326180^2 + 1055471^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220412424241 - 2³⁸ = 945534517297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220412424211) 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, 338813420 + ... + 338817021.

It is an arithmetic number, because the mean of its divisors is an integer number (305272514121).

Almost surely, 2^{1220412424241} is an apocalyptic number.

It is an amenable number.

1220412424241 is a deficient number, since it is larger than the sum of its proper divisors (677632243).

1220412424241 is an equidigital number, since it uses as much as digits as its factorization.

1220412424241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677632242.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 1220412424241 its reverse (1424242140221), we get a palindrome (2644654564462).

The spelling of 1220412424241 in words is "one trillion, two hundred twenty billion, four hundred twelve million, four hundred twenty-four thousand, two hundred forty-one".