1220220000112 has 40 divisors (see below), whose sum is σ = 2446236555840. Its totient is φ = 588942385920.

The previous prime is 1220220000089. The next prime is 1220220000113. The reversal of 1220220000112 is 2110000220221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220220000092 and 1220220000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220220000113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843818 + ... + 2416630.

It is an arithmetic number, because the mean of its divisors is an integer number (61155913896).

Almost surely, 2^{1220220000112} is an apocalyptic number.

It is an amenable number.

1220220000112 is an abundant number, since it is smaller than the sum of its proper divisors (1226016555728).

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

1220220000112 is a wasteful number, since it uses less digits than its factorization.

1220220000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577441 (or 577435 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220220000112 its reverse (2110000220221), we get a palindrome (3330220220333).

The spelling of 1220220000112 in words is "one trillion, two hundred twenty billion, two hundred twenty million, one hundred twelve", and thus it is an aban number.