1220220300112 has 40 divisors (see below), whose sum is σ = 2579699656512. Its totient is φ = 554517062400.

The previous prime is 1220220300109. The next prime is 1220220300137. The reversal of 1220220300112 is 2110030220221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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, 39589 + ... + 1562692.

Almost surely, 2^{1220220300112} is an apocalyptic number.

It is an amenable number.

1220220300112 is an abundant number, since it is smaller than the sum of its proper divisors (1359479356400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220220300112 is a wasteful number, since it uses less digits than its factorization.

1220220300112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606627 (or 1606621 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1220220300112 its reverse (2110030220221), we get a palindrome (3330250520333).

The spelling of 1220220300112 in words is "one trillion, two hundred twenty billion, two hundred twenty million, three hundred thousand, one hundred twelve".