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12111220012202 = 215484939106549
BaseRepresentation
bin1011000000111101110011…
…1101110111010010101010
31120212211011202011010021122
42300033130331313102222
53041412234310342302
641431452340535242
72360002215350603
oct260173475672252
946784152133248
1012111220012202
11394a380a5a163
12143729b0b1522
1369b110899aac
142dc286c20daa
151600921a83a2
hexb03dcf774aa

12111220012202 has 8 divisors (see below), whose sum is σ = 18166947802500. Its totient is φ = 6055570744704.

The previous prime is 12111220012187. The next prime is 12111220012219. The reversal of 12111220012202 is 20221002211121.

It can be written as a sum of positive squares in 2 ways, for example, as 9662467619401 + 2448752392801 = 3108451^2 + 1564849^2 .

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

It is a super-3 number, since 3×121112200122023 (a number of 40 digits) contains 333 as substring.

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, 19243577 + ... + 19862972.

Almost surely, 212111220012202 is an apocalyptic number.

12111220012202 is a deficient number, since it is larger than the sum of its proper divisors (6055727790298).

12111220012202 is a wasteful number, since it uses less digits than its factorization.

12111220012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39261400.

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

Adding to 12111220012202 its reverse (20221002211121), we get a palindrome (32332222223323).

The spelling of 12111220012202 in words is "twelve trillion, one hundred eleven billion, two hundred twenty million, twelve thousand, two hundred two".

Divisors: 1 2 154849 309698 39106549 78213098 6055610006101 12111220012202