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10222222212212 = 2212172099881309
BaseRepresentation
bin1001010011000000101111…
…1011000111110001110100
31100012020100020112021122112
42110300023323013301310
52314440102341242322
633424005110150152
72103350124106103
oct224601373076164
940166306467575
1010222222212212
113291246a4515a
121191175652358
13591c4a35cc9a
14274a886b603a
1512ad8428b5e2
hex94c0bec7c74

10222222212212 has 12 divisors (see below), whose sum is σ = 17903588049060. Its totient is φ = 5106911341056.

The previous prime is 10222222212211. The next prime is 10222222212229. The reversal of 10222222212212 is 21221222222201.

10222222212212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7984942183696 + 2237280028516 = 2825764^2 + 1495754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222222212211) 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, 1049935787 + ... + 1049945522.

It is an arithmetic number, because the mean of its divisors is an integer number (1491965670755).

Almost surely, 210222222212212 is an apocalyptic number.

It is an amenable number.

10222222212212 is a deficient number, since it is larger than the sum of its proper divisors (7681365836848).

10222222212212 is a wasteful number, since it uses less digits than its factorization.

10222222212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099882530 (or 2099882528 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 10222222212212 its reverse (21221222222201), we get a palindrome (31443444434413).

The spelling of 10222222212212 in words is "ten trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 1217 2434 4868 2099881309 4199762618 8399525236 2555555553053 5111111106106 10222222212212