220211100012 has 24 divisors (see below), whose sum is σ = 521494945216. Its totient is φ = 72308122128.

The previous prime is 220211099951. The next prime is 220211100017. The reversal of 220211100012 is 210001112022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (220211100017) 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, 136946398 + ... + 136948005.

Almost surely, 2^220211100012 is an apocalyptic number.

It is an amenable number.

220211100012 is an abundant number, since it is smaller than the sum of its proper divisors (301283845204).

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

220211100012 is a wasteful number, since it uses less digits than its factorization.

220211100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273894477 (or 273894475 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220211100012 its reverse (210001112022), we get a palindrome (430212212034).

The spelling of 220211100012 in words is "two hundred twenty billion, two hundred eleven million, one hundred thousand, twelve".