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12220210221258 = 2313315053850381
BaseRepresentation
bin1011000111010011110101…
…0010100001000011001010
31121021020111110110101220010
42301310331102201003022
53100203442304040013
641553515335212350
72400611126011254
oct261647522410312
947236443411803
1012220210221258
1139916200a93a6
1214544378170b6
136a848cb0c160
14303665c68cd4
15162d207d87c3
hexb1d3d4a10ca

12220210221258 has 32 divisors (see below), whose sum is σ = 27169499653632. Its totient is φ = 3638772273600.

The previous prime is 12220210221257. The next prime is 12220210221277. The reversal of 12220210221258 is 85212201202221.

It is not an unprimeable number, because it can be changed into a prime (12220210221257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2526922773 + ... + 2526927608.

It is an arithmetic number, because the mean of its divisors is an integer number (849046864176).

Almost surely, 212220210221258 is an apocalyptic number.

12220210221258 is an abundant number, since it is smaller than the sum of its proper divisors (14949289432374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220210221258 is a wasteful number, since it uses less digits than its factorization.

12220210221258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053850430.

The product of its (nonzero) digits is 5120, while the sum is 30.

Adding to 12220210221258 its reverse (85212201202221), we get a palindrome (97432411423479).

The spelling of 12220210221258 in words is "twelve trillion, two hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 806 1209 2418 5053850381 10107700762 15161551143 30323102286 65700054953 131400109906 156669361811 197100164859 313338723622 394200329718 470008085433 940016170866 2036701703543 4073403407086 6110105110629 12220210221258