220120112112212 has 24 divisors (see below), whose sum is σ = 417239678956296. Its totient is φ = 101006649929088.

The previous prime is 220120112112211. The next prime is 220120112112223. The reversal of 220120112112212 is 212211211021022.

It can be written as a sum of positive squares in 4 ways, for example, as 9172199902096 + 210947912210116 = 3028564^2 + 14524046^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120112112211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12234323603 + ... + 12234341594.

It is an arithmetic number, because the mean of its divisors is an integer number (17384986623179).

Almost surely, 2^{220120112112212} is an apocalyptic number.

It is an amenable number.

220120112112212 is a deficient number, since it is larger than the sum of its proper divisors (197119566844084).

220120112112212 is a wasteful number, since it uses less digits than its factorization.

220120112112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24468665387 (or 24468665385 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 220120112112212 its reverse (212211211021022), we get a palindrome (432331323133234).

The spelling of 220120112112212 in words is "two hundred twenty trillion, one hundred twenty billion, one hundred twelve million, one hundred twelve thousand, two hundred twelve".