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12201021011210 = 251975743847813
BaseRepresentation
bin1011000110001100010110…
…0001011111010100001010
31121012101222010120112100212
42301203011201133110022
53044400142334324320
641541023252001122
72366331450300413
oct261430541372412
947171863515325
1012201021011210
11398447330a919
1214507813001a2
136a67223c46b5
1430276551a80a
1516259ad269c5
hexb18c585f50a

12201021011210 has 32 divisors (see below), whose sum is σ = 23118056501760. Its totient is φ = 4623478308288.

The previous prime is 12201021011209. The next prime is 12201021011279. The reversal of 12201021011210 is 1211012010221.

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, 13967264 + ... + 14815076.

It is an arithmetic number, because the mean of its divisors is an integer number (722439265680).

Almost surely, 212201021011210 is an apocalyptic number.

12201021011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201021011210 is a deficient number, since it is larger than the sum of its proper divisors (10917035490550).

12201021011210 is a wasteful number, since it uses less digits than its factorization.

12201021011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923582.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12201021011210 its reverse (1211012010221), we get a palindrome (13412033021431).

The spelling of 12201021011210 in words is "twelve trillion, two hundred one billion, twenty-one million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 19 38 95 190 75743 151486 378715 757430 847813 1439117 1695626 2878234 4239065 7195585 8478130 14391170 16108447 32216894 80542235 161084470 64215900059 128431800118 321079500295 642159000590 1220102101121 2440204202242 6100510505605 12201021011210