1220212102112 has 24 divisors (see below), whose sum is σ = 2402348481792. Its totient is φ = 610091852800.

The previous prime is 1220212102073. The next prime is 1220212102117. The reversal of 1220212102112 is 2112012120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220212102117) 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, 1027937 + ... + 1870047.

It is an arithmetic number, because the mean of its divisors is an integer number (100097853408).

Almost surely, 2^{1220212102112} is an apocalyptic number.

It is an amenable number.

1220212102112 is a deficient number, since it is larger than the sum of its proper divisors (1182136379680).

1220212102112 is an equidigital number, since it uses as much as digits as its factorization.

1220212102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887402 (or 887394 counting only the distinct ones).

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

Adding to 1220212102112 its reverse (2112012120221), we get a palindrome (3332224222333).

The spelling of 1220212102112 in words is "one trillion, two hundred twenty billion, two hundred twelve million, one hundred two thousand, one hundred twelve".