220100230212 has 12 divisors (see below), whose sum is σ = 513567203856. Its totient is φ = 73366743400.

The previous prime is 220100230211. The next prime is 220100230241. The reversal of 220100230212 is 212032001022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×220100230212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220100230191 and 220100230200.

It is not an unprimeable number, because it can be changed into a prime (220100230211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9170842914 + ... + 9170842937.

It is an arithmetic number, because the mean of its divisors is an integer number (42797266988).

Almost surely, 2^220100230212 is an apocalyptic number.

It is an amenable number.

220100230212 is an abundant number, since it is smaller than the sum of its proper divisors (293466973644).

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

220100230212 is a wasteful number, since it uses less digits than its factorization.

220100230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18341685858 (or 18341685856 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220100230212 its reverse (212032001022), we get a palindrome (432132231234).

The spelling of 220100230212 in words is "two hundred twenty billion, one hundred million, two hundred thirty thousand, two hundred twelve".