220110022120212 has 144 divisors (see below), whose sum is σ = 636551108444160. Its totient is φ = 62821573786944.

The previous prime is 220110022120193. The next prime is 220110022120217. The reversal of 220110022120212 is 212021220011022.

It is a happy number.

220110022120212 is a `hidden beast` number, since 2 + 201 + 10 + 0 + 221 + 20 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110022120217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1472045989 + ... + 1472195507.

It is an arithmetic number, because the mean of its divisors is an integer number (4420493808640).

Almost surely, 2^{220110022120212} is an apocalyptic number.

It is an amenable number.

220110022120212 is an abundant number, since it is smaller than the sum of its proper divisors (416441086323948).

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

220110022120212 is a wasteful number, since it uses less digits than its factorization.

220110022120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155722 (or 155717 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220110022120212 its reverse (212021220011022), we get a palindrome (432131242131234).

The spelling of 220110022120212 in words is "two hundred twenty trillion, one hundred ten billion, twenty-two million, one hundred twenty thousand, two hundred twelve".