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2122100202212 = 221097483614449
BaseRepresentation
bin11110111000010111000…
…001110101101011100100
321111212111210220210021122
4132320113001311223210
5234232030122432322
64302513540033112
7306213423046004
oct36702701655344
97455453823248
102122100202212
11748a83271a11
122a333b092798
131251618aa633
14749d2ad6004
153a30253a442
hex1ee17075ae4

2122100202212 has 12 divisors (see below), whose sum is σ = 3717060662700. Its totient is φ = 1060082870016.

The previous prime is 2122100202193. The next prime is 2122100202239. The reversal of 2122100202212 is 2122020012212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 954282811876 + 1167817390336 = 976874^2 + 1080656^2 .

It is a super-2 number, since 2×21221002022122 (a number of 25 digits) contains 22 as substring.

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, 241802837 + ... + 241811612.

It is an arithmetic number, because the mean of its divisors is an integer number (309755055225).

Almost surely, 22122100202212 is an apocalyptic number.

It is an amenable number.

2122100202212 is a deficient number, since it is larger than the sum of its proper divisors (1594960460488).

2122100202212 is a wasteful number, since it uses less digits than its factorization.

2122100202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483615550 (or 483615548 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122100202212 its reverse (2122020012212), we get a palindrome (4244120214424).

The spelling of 2122100202212 in words is "two trillion, one hundred twenty-two billion, one hundred million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 4 1097 2194 4388 483614449 967228898 1934457796 530525050553 1061050101106 2122100202212