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211120210212 = 22339294477819
BaseRepresentation
bin1100010010011110111…
…1101100000100100100
3202011221022220220010220
43010213233230010210
511424333233211322
6240553130444340
721152520114642
oct3044757540444
9664838826126
10211120210212
118159894477a
1234abb8936b0
1316ba7115312
14a30ad24192
15575985b55c
hex3127bec124

211120210212 has 24 divisors (see below), whose sum is σ = 492739312800. Its totient is φ = 70355476416.

The previous prime is 211120210193. The next prime is 211120210219. The reversal of 211120210212 is 212012021112.

It is a junction number, because it is equal to n+sod(n) for n = 211120210191 and 211120210200.

It is not an unprimeable number, because it can be changed into a prime (211120210219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191762 + ... + 2286057.

It is an arithmetic number, because the mean of its divisors is an integer number (20530804700).

Almost surely, 2211120210212 is an apocalyptic number.

It is an amenable number.

211120210212 is an abundant number, since it is smaller than the sum of its proper divisors (281619102588).

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

211120210212 is a wasteful number, since it uses less digits than its factorization.

211120210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481755 (or 4481753 counting only the distinct ones).

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

Adding to 211120210212 its reverse (212012021112), we get a palindrome (423132231324).

The spelling of 211120210212 in words is "two hundred eleven billion, one hundred twenty million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 3929 7858 11787 15716 23574 47148 4477819 8955638 13433457 17911276 26866914 53733828 17593350851 35186701702 52780052553 70373403404 105560105106 211120210212