220112120212 has 6 divisors (see below), whose sum is σ = 385196210378. Its totient is φ = 110056060104.

The previous prime is 220112120183. The next prime is 220112120237. The reversal of 220112120212 is 212021211022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 211338800656 + 8773319556 = 459716^2 + 93666^2 .

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, 27514015023 + ... + 27514015030.

Almost surely, 2^220112120212 is an apocalyptic number.

It is an amenable number.

220112120212 is a deficient number, since it is larger than the sum of its proper divisors (165084090166).

220112120212 is a wasteful number, since it uses less digits than its factorization.

220112120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55028030057 (or 55028030055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220112120212 its reverse (212021211022), we get a palindrome (432133331234).

The spelling of 220112120212 in words is "two hundred twenty billion, one hundred twelve million, one hundred twenty thousand, two hundred twelve".