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100212112210220 = 22536388913769599
BaseRepresentation
bin10110110010010001110011…
…010110011011100100101100
3111010211011222101212020121122
4112302101303112123210230
5101113333401211211340
6553044450411320112
730052041363161423
oct2662216326334454
9433734871766548
10100212112210220
1129a2679990016a
12b2a5941750038
1343bbc66926cca
141aa64137a02ba
15b8bb3127bdb5
hex5b247359b92c

100212112210220 has 24 divisors (see below), whose sum is σ = 210446029248000. Its totient is φ = 40084731816192.

The previous prime is 100212112210201. The next prime is 100212112210237. The reversal of 100212112210220 is 22012211212001.

Adding to 100212112210220 its reverse (22012211212001), we get a palindrome (122224323422221).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392981 + ... + 14162579.

It is an arithmetic number, because the mean of its divisors is an integer number (8768584552000).

Almost surely, 2100212112210220 is an apocalyptic number.

100212112210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212112210220 is an abundant number, since it is smaller than the sum of its proper divisors (110233917037780).

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

100212112210220 is a wasteful number, since it uses less digits than its factorization.

100212112210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14133497 (or 14133495 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The spelling of 100212112210220 in words is "one hundred trillion, two hundred twelve billion, one hundred twelve million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 363889 727778 1455556 1819445 3638890 7277780 13769599 27539198 55078396 68847995 137695990 275391980 5010605610511 10021211221022 20042422442044 25053028052555 50106056105110 100212112210220