1220435310112 has 24 divisors (see below), whose sum is σ = 2402979798492. Its totient is φ = 610154726400.

The previous prime is 1220435310053. The next prime is 1220435310139. The reversal of 1220435310112 is 2110135340221.

It can be written as a sum of positive squares in 2 ways, for example, as 816341162256 + 404094147856 = 903516^2 + 635684^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650589 + ... + 2272732.

Almost surely, 2^{1220435310112} is an apocalyptic number.

It is an amenable number.

1220435310112 is a deficient number, since it is larger than the sum of its proper divisors (1182544488380).

1220435310112 is an equidigital number, since it uses as much as digits as its factorization.

1220435310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933052 (or 3933044 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 1220435310112 in words is "one trillion, two hundred twenty billion, four hundred thirty-five million, three hundred ten thousand, one hundred twelve".