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12220012210210 = 257243579972103
BaseRepresentation
bin1011000111010011000101…
…1111001010100000100010
31121021012222122212101210121
42301310301133022200202
53100203041111211320
641553443543150454
72400603202646500
oct261646137124042
947235878771717
1012220012210210
113991529354802
1214543a144542a
136a845aaa025c
14303647843670
15162d0d2238aa
hexb1d317ca822

12220012210210 has 48 divisors (see below), whose sum is σ = 26182260662976. Its totient is φ = 4092283151712.

The previous prime is 12220012210193. The next prime is 12220012210267. The reversal of 12220012210210 is 1201221002221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289964982 + ... + 290007121.

It is an arithmetic number, because the mean of its divisors is an integer number (545463763812).

Almost surely, 212220012210210 is an apocalyptic number.

12220012210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220012210210 is an abundant number, since it is smaller than the sum of its proper divisors (13962248452766).

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

12220012210210 is a wasteful number, since it uses less digits than its factorization.

12220012210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579972167 (or 579972160 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12220012210210 its reverse (1201221002221), we get a palindrome (13421233212431).

The spelling of 12220012210210 in words is "twelve trillion, two hundred twenty billion, twelve million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 43 49 70 86 98 215 245 301 430 490 602 1505 2107 3010 4214 10535 21070 579972103 1159944206 2899860515 4059804721 5799721030 8119609442 20299023605 24938800429 28418633047 40598047210 49877600858 56837266094 124694002145 142093165235 174571603003 249388004290 284186330470 349143206006 872858015015 1222001221021 1745716030030 2444002442042 6110006105105 12220012210210