220201110212212 has 12 divisors (see below), whose sum is σ = 387806413846180. Its totient is φ = 109399277684736.

The previous prime is 220201110212203. The next prime is 220201110212231. The reversal of 220201110212212 is 212212011102022.

It can be written as a sum of positive squares in 2 ways, for example, as 155375327521296 + 64825782690916 = 12464964^2 + 8051446^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220201110212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175319354637 + ... + 175319355892.

Almost surely, 2^{220201110212212} is an apocalyptic number.

It is an amenable number.

220201110212212 is a deficient number, since it is larger than the sum of its proper divisors (167605303633968).

220201110212212 is a wasteful number, since it uses less digits than its factorization.

220201110212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350638710690 (or 350638710688 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220201110212212 its reverse (212212011102022), we get a palindrome (432413121314234).

The spelling of 220201110212212 in words is "two hundred twenty trillion, two hundred one billion, one hundred ten million, two hundred twelve thousand, two hundred twelve".