1220220112112 has 10 divisors (see below), whose sum is σ = 2364176467248. Its totient is φ = 610110056048.

The previous prime is 1220220112103. The next prime is 1220220112127. The reversal of 1220220112112 is 2112110220221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38131878488 + ... + 38131878519.

Almost surely, 2^{1220220112112} is an apocalyptic number.

It is an amenable number.

1220220112112 is a deficient number, since it is larger than the sum of its proper divisors (1143956355136).

1220220112112 is an equidigital number, since it uses as much as digits as its factorization.

1220220112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76263757015 (or 76263757009 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1220220112112 its reverse (2112110220221), we get a palindrome (3332330332333).

The spelling of 1220220112112 in words is "one trillion, two hundred twenty billion, two hundred twenty million, one hundred twelve thousand, one hundred twelve".