220122112212012 has 48 divisors (see below), whose sum is σ = 540654020614400. Its totient is φ = 69511832130240.

The previous prime is 220122112211987. The next prime is 220122112212103. The reversal of 220122112212012 is 210212211221022.

It is a self number, because there is not a number n which added to its sum of digits gives 220122112212012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36700314 + ... + 42274782.

Almost surely, 2^{220122112212012} is an apocalyptic number.

It is an amenable number.

220122112212012 is an abundant number, since it is smaller than the sum of its proper divisors (320531908402388).

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

220122112212012 is a wasteful number, since it uses less digits than its factorization.

220122112212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747686 (or 5747684 counting only the distinct ones).

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

Adding to 220122112212012 its reverse (210212211221022), we get a palindrome (430334323433034).

The spelling of 220122112212012 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twelve million, two hundred twelve thousand, twelve".