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2222120022212 = 22555530005553
BaseRepresentation
bin100000010101100000101…
…011001011000011000100
321212102200100212002110102
4200111200223023003010
5242401400211202322
64420454451543232
7316354130353526
oct40254053130304
97772610762412
102222120022212
11787439905082
122ba7b35bab18
1313171153958c
14797a0635a16
153cc0838c792
hex20560acb0c4

2222120022212 has 6 divisors (see below), whose sum is σ = 3888710038878. Its totient is φ = 1111060011104.

The previous prime is 2222120022203. The next prime is 2222120022233. The reversal of 2222120022212 is 2122200212222.

It can be written as a sum of positive squares in only one way, i.e., 2217168648256 + 4951373956 = 1489016^2 + 70366^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277765002773 + ... + 277765002780.

It is an arithmetic number, because the mean of its divisors is an integer number (648118339813).

Almost surely, 22222120022212 is an apocalyptic number.

It is an amenable number.

2222120022212 is a deficient number, since it is larger than the sum of its proper divisors (1666590016666).

2222120022212 is a wasteful number, since it uses less digits than its factorization.

2222120022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555530005557 (or 555530005555 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2222120022212 its reverse (2122200212222), we get a palindrome (4344320234434).

The spelling of 2222120022212 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 555530005553 1111060011106 2222120022212