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10212020012122 = 2971991049252163
BaseRepresentation
bin1001010010011010101111…
…0100110100010001011010
31100011021000020021211010221
42110212223310310101122
52314303204110341442
633415200501430254
72102536242614365
oct224465364642132
940137006254127
1010212020012122
113287991085235
12118b1a8a0b38a
13590cb27c7cb6
1427439b75b0dc
1512a98878c467
hex949abd3445a

10212020012122 has 32 divisors (see below), whose sum is σ = 15568605360000. Its totient is φ = 5023163870208.

The previous prime is 10212020012039. The next prime is 10212020012149. The reversal of 10212020012122 is 22121002021201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10212020012096 and 10212020012105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40371613 + ... + 40623775.

It is an arithmetic number, because the mean of its divisors is an integer number (486518917500).

Almost surely, 210212020012122 is an apocalyptic number.

10212020012122 is a deficient number, since it is larger than the sum of its proper divisors (5356585347878).

10212020012122 is a wasteful number, since it uses less digits than its factorization.

10212020012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253510.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10212020012122 its reverse (22121002021201), we get a palindrome (32333022033323).

The spelling of 10212020012122 in words is "ten trillion, two hundred twelve billion, twenty million, twelve thousand, one hundred twenty-two".

Divisors: 1 2 97 194 199 398 1049 2098 19303 38606 101753 203506 208751 252163 417502 504326 20248847 24459811 40497694 48919622 50180437 100360874 264518987 529037974 4867502389 9735004778 25658341739 51316683478 52639278413 105278556826 5106010006061 10212020012122