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210112120212 = 22343956370843
BaseRepresentation
bin1100001110101110101…
…0001000010110010100
3202002100002000121122020
43003223222020112110
511420302200321322
6240305115533140
721115526361021
oct3035352102624
9662302017566
10210112120212
11811208a5845
123487a15a1b0
1316a76304a67
14a2530ac548
1556eb0cd05c
hex30eba88594

210112120212 has 48 divisors (see below), whose sum is σ = 492258117120. Its totient is φ = 69752733408.

The previous prime is 210112120201. The next prime is 210112120213. The reversal of 210112120212 is 212021211012.

It is a junction number, because it is equal to n+sod(n) for n = 210112120191 and 210112120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112120213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2930463 + ... + 3001305.

It is an arithmetic number, because the mean of its divisors is an integer number (10255377440).

Almost surely, 2210112120212 is an apocalyptic number.

It is an amenable number.

210112120212 is an abundant number, since it is smaller than the sum of its proper divisors (282145996908).

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

210112120212 is a wasteful number, since it uses less digits than its factorization.

210112120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71852 (or 71850 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210112120212 its reverse (212021211012), we get a palindrome (422133331224).

The spelling of 210112120212 in words is "two hundred ten billion, one hundred twelve million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 439 563 878 1126 1317 1689 1756 2252 2634 3378 5268 6756 70843 141686 212529 247157 283372 425058 494314 741471 850116 988628 1482942 2965884 31100077 39884609 62200154 79769218 93300231 119653827 124400308 159538436 186600462 239307654 373200924 478615308 17509343351 35018686702 52528030053 70037373404 105056060106 210112120212