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12201201122210 = 25107113100911431
BaseRepresentation
bin1011000110001101000001…
…0000100011101110100010
31121012102102200111010012122
42301203100100203232202
53044401024441402320
641541053204224242
72366336065230362
oct261432020435642
947172380433178
1012201201122210
113984555a48991
12145081169b082
136a6750806c59
143027814029a2
151625aba52d25
hexb18d0423ba2

12201201122210 has 32 divisors (see below), whose sum is σ = 22363587914112. Its totient is φ = 4792081987840.

The previous prime is 12201201122179. The next prime is 12201201122233. The reversal of 12201201122210 is 1222110210221.

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, 50334806 + ... + 50576625.

It is an arithmetic number, because the mean of its divisors is an integer number (698862122316).

Almost surely, 212201201122210 is an apocalyptic number.

12201201122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201201122210 is a deficient number, since it is larger than the sum of its proper divisors (10162386791902).

12201201122210 is a wasteful number, since it uses less digits than its factorization.

12201201122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100911658.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12201201122210 its reverse (1222110210221), we get a palindrome (13423311332431).

The spelling of 12201201122210 in words is "twelve trillion, two hundred one billion, two hundred one million, one hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 107 113 214 226 535 565 1070 1130 12091 24182 60455 120910 100911431 201822862 504557155 1009114310 10797523117 11402991703 21595046234 22805983406 53987615585 57014958515 107975231170 114029917030 1220120112221 2440240224442 6100600561105 12201201122210