1220202210112 has 28 divisors (see below), whose sum is σ = 2477648970016. Its totient is φ = 595912705920.

The previous prime is 1220202210109. The next prime is 1220202210119. The reversal of 1220202210112 is 2110122020221.

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 not an unprimeable number, because it can be changed into a prime (1220202210119) 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, 221690964 + ... + 221696467.

Almost surely, 2^{1220202210112} is an apocalyptic number.

It is an amenable number.

1220202210112 is an abundant number, since it is smaller than the sum of its proper divisors (1257446759904).

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

1220202210112 is an equidigital number, since it uses as much as digits as its factorization.

1220202210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443387486 (or 443387476 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220202210112 its reverse (2110122020221), we get a palindrome (3330324230333).

The spelling of 1220202210112 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred ten thousand, one hundred twelve".