1220012110112 has 24 divisors (see below), whose sum is σ = 2404860543792. Its totient is φ = 609253876800.

The previous prime is 1220012110073. The next prime is 1220012110117. The reversal of 1220012110112 is 2110112100221.

It is not an unprimeable number, because it can be changed into a prime (1220012110117) 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, 23479214 + ... + 23531117.

It is an arithmetic number, because the mean of its divisors is an integer number (100202522658).

Almost surely, 2^{1220012110112} is an apocalyptic number.

It is an amenable number.

1220012110112 is a deficient number, since it is larger than the sum of its proper divisors (1184848433680).

1220012110112 is an equidigital number, since it uses as much as digits as its factorization.

1220012110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47011152 (or 47011144 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1220012110112 its reverse (2110112100221), we get a palindrome (3330124210333).

The spelling of 1220012110112 in words is "one trillion, two hundred twenty billion, twelve million, one hundred ten thousand, one hundred twelve".