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12220112222210 = 257951153692771
BaseRepresentation
bin1011000111010011011101…
…1100101011100000000010
31121021020020122001112110202
42301310313130223200002
53100203242212102320
641553501514525202
72400605526021614
oct261646734534002
947236218045422
1012220112222210
11399157a854252
12145440aa36802
136a8475719359
14303656c38db4
15162d16dcbb75
hexb1d3772b802

12220112222210 has 16 divisors (see below), whose sum is σ = 21998968612992. Its totient is φ = 4887430086000.

The previous prime is 12220112222183. The next prime is 12220112222231. The reversal of 12220112222210 is 1222221102221.

It is a super-3 number, since 3×122201122222103 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76766876 + ... + 76925895.

It is an arithmetic number, because the mean of its divisors is an integer number (1374935538312).

Almost surely, 212220112222210 is an apocalyptic number.

12220112222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220112222210 is a deficient number, since it is larger than the sum of its proper divisors (9778856390782).

12220112222210 is a wasteful number, since it uses less digits than its factorization.

12220112222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153700729.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12220112222210 its reverse (1222221102221), we get a palindrome (13442333324431).

The spelling of 12220112222210 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 7951 15902 39755 79510 153692771 307385542 768463855 1536927710 1222011222221 2444022444442 6110056111105 12220112222210