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12220211213012 = 2211280319908033
BaseRepresentation
bin1011000111010011110101…
…0110010011001011010100
31121021020111112022210022202
42301310331112103023110
53100203443032304022
641553515412344032
72400611140311545
oct261647526231324
947236445283282
1012220211213012
113991620716530
121454438015018
136a84900986aa
143036660464cc
15162d20932592
hexb1d3d5932d4

12220211213012 has 24 divisors (see below), whose sum is σ = 23330328763392. Its totient is φ = 5554442739200.

The previous prime is 12220211212949. The next prime is 12220211213081. The reversal of 12220211213012 is 21031211202221.

It is a super-3 number, since 3×122202112130123 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3720653 + ... + 6187380.

It is an arithmetic number, because the mean of its divisors is an integer number (972097031808).

Almost surely, 212220211213012 is an apocalyptic number.

It is an amenable number.

12220211213012 is a deficient number, since it is larger than the sum of its proper divisors (11110117550380).

12220211213012 is a wasteful number, since it uses less digits than its factorization.

12220211213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936079 (or 9936077 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12220211213012 its reverse (21031211202221), we get a palindrome (33251422415233).

The spelling of 12220211213012 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, two hundred thirteen thousand, twelve".

Divisors: 1 2 4 11 22 44 28031 56062 112124 308341 616682 1233364 9908033 19816066 39632132 108988363 217976726 435953452 277732073023 555464146046 1110928292092 3055052803253 6110105606506 12220211213012