220112111201212 has 24 divisors (see below), whose sum is σ = 386487211362560. Its totient is φ = 109687261028400.

The previous prime is 220112111201197. The next prime is 220112111201231. The reversal of 220112111201212 is 212102111211022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220112111201212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4664989 + ... + 21493867.

Almost surely, 2^{220112111201212} is an apocalyptic number.

It is an amenable number.

220112111201212 is a deficient number, since it is larger than the sum of its proper divisors (166375100161348).

220112111201212 is a wasteful number, since it uses less digits than its factorization.

220112111201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16839841 (or 16839839 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 220112111201212 its reverse (212102111211022), we get a palindrome (432214222412234).

The spelling of 220112111201212 in words is "two hundred twenty trillion, one hundred twelve billion, one hundred eleven million, two hundred one thousand, two hundred twelve".