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12212100211010 = 2571717331015871
BaseRepresentation
bin1011000110110101100111…
…1001010010000101000010
31121020110120021001012022012
42301231121321102011002
53100040340123223020
641550054505412522
72400203141034440
oct261553171220502
947213507035265
1012212100211010
113989139222697
12145295379a142
136a779985c11b
143030d6b25b90
151629e880c7c5
hexb1b59e52142

12212100211010 has 32 divisors (see below), whose sum is σ = 25122205734912. Its totient is φ = 4186977284160.

The previous prime is 12212100211009. The next prime is 12212100211013. The reversal of 12212100211010 is 1011200121221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12212100211013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11513375 + ... + 12529245.

It is an arithmetic number, because the mean of its divisors is an integer number (785068929216).

Almost surely, 212212100211010 is an apocalyptic number.

12212100211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212100211010 is an abundant number, since it is smaller than the sum of its proper divisors (12910105523902).

12212100211010 is a wasteful number, since it uses less digits than its factorization.

12212100211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187618.

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

Adding to 12212100211010 its reverse (1011200121221), we get a palindrome (13223300332231).

The spelling of 12212100211010 in words is "twelve trillion, two hundred twelve billion, one hundred million, two hundred eleven thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 171733 343466 858665 1015871 1202131 1717330 2031742 2404262 5079355 6010655 7111097 10158710 12021310 14222194 35555485 71110970 174458574443 348917148886 872292872215 1221210021101 1744585744430 2442420042202 6106050105505 12212100211010