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2102101000212 = 22319471069183503
BaseRepresentation
bin11110100101101110111…
…110111100000000010100
321102221220000220001200110
4132211232332330000110
5233420100324001322
64245405235443020
7304605010454433
oct36455676740024
97387800801613
102102101000212
117405502384a4
1229b499456470
131232c5421cb5
1473a5697b11a
1539a318cac0c
hex1e96efbc014

2102101000212 has 96 divisors (see below), whose sum is σ = 5277868646400. Its totient is φ = 649086210432.

The previous prime is 2102101000169. The next prime is 2102101000217. The reversal of 2102101000212 is 2120001012012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102101000217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11363653 + ... + 11547155.

It is an arithmetic number, because the mean of its divisors is an integer number (54977798400).

Almost surely, 22102101000212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102101000212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2638934323200).

2102101000212 is an abundant number, since it is smaller than the sum of its proper divisors (3175767646188).

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

2102101000212 is a wasteful number, since it uses less digits than its factorization.

2102101000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184645 (or 184643 counting only the distinct ones).

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

Adding to 2102101000212 its reverse (2120001012012), we get a palindrome (4222102012224).

The spelling of 2102101000212 in words is "two trillion, one hundred two billion, one hundred one million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 19 38 47 57 76 94 114 141 188 228 282 564 893 1069 1786 2138 2679 3207 3572 4276 5358 6414 10716 12828 20311 40622 50243 60933 81244 100486 121866 150729 183503 200972 243732 301458 367006 550509 602916 734012 954617 1101018 1909234 2202036 2863851 3486557 3818468 5727702 6973114 8624641 10459671 11455404 13946228 17249282 20919342 25873923 34498564 41838684 51747846 103495692 163868179 196164707 327736358 392329414 491604537 588494121 655472716 784658828 983209074 1176988242 1966418148 2353976484 3727129433 7454258866 9219741229 11181388299 14908517732 18439482458 22362776598 27659223687 36878964916 44725553196 55318447374 110636894748 175175083351 350350166702 525525250053 700700333404 1051050500106 2102101000212