220101212212212 has 96 divisors (see below), whose sum is σ = 517122682876800. Its totient is φ = 72861286924800.

The previous prime is 220101212212207. The next prime is 220101212212243. The reversal of 220101212212212 is 212212212101022.

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 31 ways as a sum of consecutive naturals, for example, 8194067662 + ... + 8194094522.

It is an arithmetic number, because the mean of its divisors is an integer number (5386694613300).

Almost surely, 2^{220101212212212} is an apocalyptic number.

It is an amenable number.

220101212212212 is an abundant number, since it is smaller than the sum of its proper divisors (297021470664588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220101212212212 is a wasteful number, since it uses less digits than its factorization.

220101212212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35137 (or 35135 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220101212212212 its reverse (212212212101022), we get a palindrome (432313424313234).

The spelling of 220101212212212 in words is "two hundred twenty trillion, one hundred one billion, two hundred twelve million, two hundred twelve thousand, two hundred twelve".