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1210212020010 = 235721381596143
BaseRepresentation
bin10001100111000110010…
…000011110111100101010
311021200202202102110212210
4101213012100132330222
5124312003234120020
62323544055345550
7153302116304100
oct21470620367452
94250682373783
101210212020010
11427280153954
121766696822b6
138a1791aa5b6
14428088bbc70
15217314c93e0
hex119c641ef2a

1210212020010 has 96 divisors (see below), whose sum is σ = 3381166616832. Its totient is φ = 276419122560.

The previous prime is 1210212019997. The next prime is 1210212020027. The reversal of 1210212020010 is 100202120121.

It is a super-2 number, since 2×12102120200102 (a number of 25 digits) contains 22 as substring.

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, 1731999 + ... + 2328141.

It is an arithmetic number, because the mean of its divisors is an integer number (35220485592).

Almost surely, 21210212020010 is an apocalyptic number.

1210212020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210212020010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690583308416).

1210212020010 is an abundant number, since it is smaller than the sum of its proper divisors (2170954596822).

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

1210212020010 is a wasteful number, since it uses less digits than its factorization.

1210212020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597548 (or 597541 counting only the distinct ones).

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

Adding to 1210212020010 its reverse (100202120121), we get a palindrome (1310414140131).

The spelling of 1210212020010 in words is "one trillion, two hundred ten billion, two hundred twelve million, twenty thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1381 1470 2762 4143 6905 8286 9667 13810 19334 20715 29001 41430 48335 58002 67669 96670 135338 145005 203007 290010 338345 406014 596143 676690 1015035 1192286 1788429 2030070 2980715 3576858 4173001 5961430 8346002 8942145 12519003 17884290 20865005 25038006 29211007 41730010 58422014 62595015 87633021 125190030 146055035 175266042 292110070 438165105 823273483 876330210 1646546966 2469820449 4116367415 4939640898 5762914381 8232734830 11525828762 12349102245 17288743143 24698204490 28814571905 34577486286 40340400667 57629143810 80680801334 86443715715 121021202001 172887431430 201702003335 242042404002 403404006670 605106010005 1210212020010