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2012220220222 = 21129891151559
BaseRepresentation
bin11101010010000001101…
…010111110001100111110
321010100220002100100200001
4131102001222332030332
5230432011334021342
64140222354424514
7265243456443202
oct35220152761476
97110802310601
102012220220222
11706417946143
12285b9459213a
131179a0212904
146d56b834b02
1537520c4d8b7
hex1d481abe33e

2012220220222 has 8 divisors (see below), whose sum is σ = 3021003788400. Its totient is φ = 1005218957424.

The previous prime is 2012220220181. The next prime is 2012220220261. The reversal of 2012220220222 is 2220220222102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2012220220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445573522 + ... + 445578037.

It is an arithmetic number, because the mean of its divisors is an integer number (377625473550).

Almost surely, 22012220220222 is an apocalyptic number.

2012220220222 is a deficient number, since it is larger than the sum of its proper divisors (1008783568178).

2012220220222 is a wasteful number, since it uses less digits than its factorization.

2012220220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891152690.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2012220220222 its reverse (2220220222102), we get a palindrome (4232440442324).

The spelling of 2012220220222 in words is "two trillion, twelve billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 1129 2258 891151559 1782303118 1006110110111 2012220220222