1220435210444 has 12 divisors (see below), whose sum is σ = 2140694096184. Its totient is φ = 608808325824.

The previous prime is 1220435210383. The next prime is 1220435210447. The reversal of 1220435210444 is 4440125340221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220435210444.

It is not an unprimeable number, because it can be changed into a prime (1220435210447) 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, 352317902 + ... + 352321365.

It is an arithmetic number, because the mean of its divisors is an integer number (178391174682).

Almost surely, 2^{1220435210444} is an apocalyptic number.

It is an amenable number.

1220435210444 is a deficient number, since it is larger than the sum of its proper divisors (920258885740).

1220435210444 is a wasteful number, since it uses less digits than its factorization.

1220435210444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704639704 (or 704639702 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 1220435210444 in words is "one trillion, two hundred twenty billion, four hundred thirty-five million, two hundred ten thousand, four hundred forty-four".