1220112110212 has 24 divisors (see below), whose sum is σ = 2139784094336. Its totient is φ = 608745466368.

The previous prime is 1220112110209. The next prime is 1220112110219. The reversal of 1220112110212 is 2120112110221.

It is a super-2 number, since 2×1220112110212² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220112110219) 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, 26534113 + ... + 26580055.

Almost surely, 2^{1220112110212} is an apocalyptic number.

It is an amenable number.

1220112110212 is a deficient number, since it is larger than the sum of its proper divisors (919671984124).

1220112110212 is a wasteful number, since it uses less digits than its factorization.

1220112110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60067 (or 60065 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1220112110212 its reverse (2120112110221), we get a palindrome (3340224220433).

Subtracting 1220112110212 from its reverse (2120112110221), we obtain a palindrome (900000000009).

The spelling of 1220112110212 in words is "one trillion, two hundred twenty billion, one hundred twelve million, one hundred ten thousand, two hundred twelve".