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10210231212 = 22317251199403
BaseRepresentation
bin10011000001001001…
…11100001110101100
3222100120100111010120
421200210330032230
5131402304344322
64405052404540
7511006350636
oct114044741654
928316314116
1010210231212
11436a455915
121b8b476750
13c6941763c
146cc049a56
153eb588a5c
hex26093c3ac

10210231212 has 48 divisors (see below), whose sum is σ = 25325903232. Its totient is φ = 3190432000.

The previous prime is 10210231201. The next prime is 10210231217. The reversal of 10210231212 is 21213201201.

It is a junction number, because it is equal to n+sod(n) for n = 10210231191 and 10210231200.

It is not an unprimeable number, because it can be changed into a prime (10210231217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48498 + ... + 150905.

It is an arithmetic number, because the mean of its divisors is an integer number (527622984).

Almost surely, 210210231212 is an apocalyptic number.

10210231212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10210231212 is an abundant number, since it is smaller than the sum of its proper divisors (15115672020).

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

10210231212 is a wasteful number, since it uses less digits than its factorization.

10210231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199678 (or 199676 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10210231212 its reverse (21213201201), we get a palindrome (31423432413).

The spelling of 10210231212 in words is "ten billion, two hundred ten million, two hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 251 502 753 1004 1506 3012 4267 8534 12801 17068 25602 51204 199403 398806 598209 797612 1196418 2392836 3389851 6779702 10169553 13559404 20339106 40678212 50050153 100100306 150150459 200200612 300300918 600601836 850852601 1701705202 2552557803 3403410404 5105115606 10210231212