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12220012211210 = 251222001221121
BaseRepresentation
bin1011000111010011000101…
…1111001010110000001010
31121021012222122212110011122
42301310301133022300022
53100203041111224320
641553443543155242
72400603202652426
oct261646137126012
947235878773148
1012220012211210
113991529355531
1214543a1445b22
136a845aaa084b
14303647843b86
15162d0d223d25
hexb1d317cac0a

12220012211210 has 8 divisors (see below), whose sum is σ = 21996021980196. Its totient is φ = 4888004884480.

The previous prime is 12220012211167. The next prime is 12220012211233. The reversal of 12220012211210 is 1211221002221.

It can be written as a sum of positive squares in 2 ways, for example, as 10806203223841 + 1413808987369 = 3287279^2 + 1189037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611000610551 + ... + 611000610570.

Almost surely, 212220012211210 is an apocalyptic number.

12220012211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220012211210 is a deficient number, since it is larger than the sum of its proper divisors (9776009768986).

12220012211210 is a wasteful number, since it uses less digits than its factorization.

12220012211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222001221128.

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

Adding to 12220012211210 its reverse (1211221002221), we get a palindrome (13431233213431).

The spelling of 12220012211210 in words is "twelve trillion, two hundred twenty billion, twelve million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 1222001221121 2444002442242 6110006105605 12220012211210