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1212011020010 = 25726083663821
BaseRepresentation
bin10001101000110001011…
…111000111111011101010
311021212102010120010221102
4101220301133013323222
5124324144310120020
62324442402241402
7153364522455050
oct21506137077352
94255363503842
101212011020010
1142801369520a
12176a90056262
138a3a4b0a43b
14429397b41d0
15217d93d6475
hex11a317c7eea

1212011020010 has 32 divisors (see below), whose sum is σ = 2493379158912. Its totient is φ = 415530077760.

The previous prime is 1212011019997. The next prime is 1212011020067. The reversal of 1212011020010 is 100201102121.

It is a junction number, because it is equal to n+sod(n) for n = 1212011019973 and 1212011020000.

It is an unprimeable number.

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, 1493900 + ... + 2157720.

It is an arithmetic number, because the mean of its divisors is an integer number (77918098716).

Almost surely, 21212011020010 is an apocalyptic number.

1212011020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212011020010 is an abundant number, since it is smaller than the sum of its proper divisors (1281368138902).

1212011020010 is a wasteful number, since it uses less digits than its factorization.

1212011020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689918.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1212011020010 its reverse (100201102121), we get a palindrome (1312212122131).

The spelling of 1212011020010 in words is "one trillion, two hundred twelve billion, eleven million, twenty thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 26083 52166 130415 182581 260830 365162 663821 912905 1327642 1825810 3319105 4646747 6638210 9293494 23233735 46467470 17314443143 34628886286 86572215715 121201102001 173144431430 242402204002 606005510005 1212011020010