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10212012201222 = 2321343641077783
BaseRepresentation
bin1001010010011010101101…
…0111000001010100000110
31100011020222200120222121100
42110212223113001110012
52314303200110414342
633415200022200530
72102536116333156
oct224465327012406
940136880528540
1010212012201222
11328798772a847
12118b1a6283146
13590cb0cc1970
1427439a6c6766
1512a987c47e4c
hex949ab5c1506

10212012201222 has 24 divisors (see below), whose sum is σ = 23828028470064. Its totient is φ = 3142157600304.

The previous prime is 10212012201221. The next prime is 10212012201229. The reversal of 10212012201222 is 22210221021201.

It is a happy number.

10212012201222 is a `hidden beast` number, since 1 + 0 + 21 + 201 + 220 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10212012201195 and 10212012201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212012201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21820538658 + ... + 21820539125.

It is an arithmetic number, because the mean of its divisors is an integer number (992834519586).

Almost surely, 210212012201222 is an apocalyptic number.

10212012201222 is an abundant number, since it is smaller than the sum of its proper divisors (13616016268842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212012201222 is a wasteful number, since it uses less digits than its factorization.

10212012201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43641077804 (or 43641077801 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10212012201222 its reverse (22210221021201), we get a palindrome (32422233222423).

The spelling of 10212012201222 in words is "ten trillion, two hundred twelve billion, twelve million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 43641077783 87282155566 130923233349 261846466698 392769700047 567334011179 785539400094 1134668022358 1702002033537 3404004067074 5106006100611 10212012201222