1220110112012 has 24 divisors (see below), whose sum is σ = 2329531846992. Its totient is φ = 554540571200.

The previous prime is 1220110111937. The next prime is 1220110112017. The reversal of 1220110112012 is 2102110110221.

It is not an unprimeable number, because it can be changed into a prime (1220110112017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922439 + ... + 1814142.

It is an arithmetic number, because the mean of its divisors is an integer number (97063826958).

Almost surely, 2^{1220110112012} is an apocalyptic number.

It is an amenable number.

1220110112012 is a deficient number, since it is larger than the sum of its proper divisors (1109421734980).

1220110112012 is a wasteful number, since it uses less digits than its factorization.

1220110112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746729 (or 2746727 counting only the distinct ones).

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

Adding to 1220110112012 its reverse (2102110110221), we get a palindrome (3322220222233).

The spelling of 1220110112012 in words is "one trillion, two hundred twenty billion, one hundred ten million, one hundred twelve thousand, twelve".