1220400030441 has 8 divisors (see below), whose sum is σ = 1666887846624. Its totient is φ = 793756117280.

The previous prime is 1220400030439. The next prime is 1220400030449. The reversal of 1220400030441 is 1440300040221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220400030441 - 2¹ = 1220400030439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220400030449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4960975611 + ... + 4960975856.

It is an arithmetic number, because the mean of its divisors is an integer number (208360980828).

Almost surely, 2^{1220400030441} is an apocalyptic number.

It is an amenable number.

1220400030441 is a deficient number, since it is larger than the sum of its proper divisors (446487816183).

1220400030441 is an equidigital number, since it uses as much as digits as its factorization.

1220400030441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921951511.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1220400030441 its reverse (1440300040221), we get a palindrome (2660700070662).

The spelling of 1220400030441 in words is "one trillion, two hundred twenty billion, four hundred million, thirty thousand, four hundred forty-one".