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212234200120 = 23531187391381
BaseRepresentation
bin1100010110101000100…
…1001110010000111000
3202021210222002110000101
43011222021032100320
511434123423400440
6241255443245144
721222234635635
oct3055211162070
9667728073011
10212234200120
118200a744898
12351709797b4
1317023b53947
14a3b4c6518c
1557c255769a
hex316a24e438

212234200120 has 64 divisors (see below), whose sum is σ = 493199619840. Its totient is φ = 82110412800.

The previous prime is 212234200109. The next prime is 212234200141. The reversal of 212234200120 is 21002432212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2276830 + ... + 2368210.

It is an arithmetic number, because the mean of its divisors is an integer number (7706244060).

Almost surely, 2212234200120 is an apocalyptic number.

212234200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212234200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246599809920).

212234200120 is an abundant number, since it is smaller than the sum of its proper divisors (280965419720).

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

212234200120 is a wasteful number, since it uses less digits than its factorization.

212234200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93296 (or 93292 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212234200120 its reverse (21002432212), we get a palindrome (233236632332).

The spelling of 212234200120 in words is "two hundred twelve billion, two hundred thirty-four million, two hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 1873 3746 7492 9365 14984 18730 37460 58063 74920 91381 116126 182762 232252 290315 365524 456905 464504 580630 731048 913810 1161260 1827620 2322520 2832811 3655240 5665622 11331244 14164055 22662488 28328110 56656220 113312440 171156613 342313226 684626452 855783065 1369252904 1711566130 3423132260 5305855003 6846264520 10611710006 21223420012 26529275015 42446840024 53058550030 106117100060 212234200120