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10210120121212 = 22112918443433859
BaseRepresentation
bin1001010010010011101010…
…0101010011101101111100
31100011002002211022100202221
42110210322211103231330
52314240311222334322
633414244152255124
72102441203041004
oct224447245235574
940132084270687
1010210120121212
1132870a66a4060
12118a9586a14a4
13590a6c001cab
1427425b2c1004
1512a8c6aa19c7
hex9493a953b7c

10210120121212 has 48 divisors (see below), whose sum is σ = 20165326876800. Its totient is φ = 4480677172160.

The previous prime is 10210120121171. The next prime is 10210120121213. The reversal of 10210120121212 is 21212102101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210120121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23316339 + ... + 23750197.

It is an arithmetic number, because the mean of its divisors is an integer number (420110976600).

Almost surely, 210210120121212 is an apocalyptic number.

It is an amenable number.

10210120121212 is a deficient number, since it is larger than the sum of its proper divisors (9955206755588).

10210120121212 is a wasteful number, since it uses less digits than its factorization.

10210120121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452346 (or 452344 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10210120121212 its reverse (21212102101201), we get a palindrome (31422222222413).

The spelling of 10210120121212 in words is "ten trillion, two hundred ten billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 18443 36886 73772 202873 405746 433859 534847 811492 867718 1069694 1735436 2139388 4772449 5883317 9544898 11766634 12581911 19089796 23533268 25163822 50327644 138401021 276802042 553604084 8001661537 16003323074 32006646148 88018276907 176036553814 232048184573 352073107628 464096369146 928192738292 2552530030303 5105060060606 10210120121212