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1212020120010 = 235721137296491
BaseRepresentation
bin10001101000110010000…
…001110101100111001010
311021212102202200110210110
4101220302001311213022
5124324204122320020
62324443325255150
7153364663015500
oct21506201654712
94255382613713
101212020120010
11428018840177
12176a931044b6
138a3a697545b
144293aaa2670
15217da0d28e0
hex11a320759ca

1212020120010 has 96 divisors (see below), whose sum is σ = 3413707561152. Its totient is φ = 274581511680.

The previous prime is 1212020119997. The next prime is 1212020120053. The reversal of 1212020120010 is 100210202121.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3482136 + ... + 3814355.

It is an arithmetic number, because the mean of its divisors is an integer number (35559453762).

Almost surely, 21212020120010 is an apocalyptic number.

1212020120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212020120010 is an abundant number, since it is smaller than the sum of its proper divisors (2201687441142).

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

1212020120010 is a wasteful number, since it uses less digits than its factorization.

1212020120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296628 (or 7296621 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1212020120010 its reverse (100210202121), we get a palindrome (1312230322131).

The spelling of 1212020120010 in words is "one trillion, two hundred twelve billion, twenty million, one hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 113 147 210 226 245 294 339 490 565 678 735 791 1130 1470 1582 1695 2373 3390 3955 4746 5537 7910 11074 11865 16611 23730 27685 33222 55370 83055 166110 7296491 14592982 21889473 36482455 43778946 51075437 72964910 102150874 109447365 153226311 218894730 255377185 306452622 357528059 510754370 715056118 766131555 824503483 1072584177 1532263110 1649006966 1787640295 2145168354 2473510449 3575280590 4122517415 4947020898 5362920885 5771524381 8245034830 10725841770 11543048762 12367552245 17314573143 24735104490 28857621905 34629146286 40400670667 57715243810 80801341334 86572865715 121202012001 173145731430 202003353335 242404024002 404006706670 606010060005 1212020120010