1220443435214 has 16 divisors (see below), whose sum is σ = 1875356246736. Its totient is φ = 595325332800.

The previous prime is 1220443435213. The next prime is 1220443435217. The reversal of 1220443435214 is 4125343440221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220443435213) 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, 4427129 + ... + 4694715.

It is an arithmetic number, because the mean of its divisors is an integer number (117209765421).

Almost surely, 2^{1220443435214} is an apocalyptic number.

1220443435214 is a deficient number, since it is larger than the sum of its proper divisors (654912811522).

1220443435214 is a wasteful number, since it uses less digits than its factorization.

1220443435214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323251.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 1220443435214 its reverse (4125343440221), we get a palindrome (5345786875435).

The spelling of 1220443435214 in words is "one trillion, two hundred twenty billion, four hundred forty-three million, four hundred thirty-five thousand, two hundred fourteen".