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12212022122011 = 64120543927397
BaseRepresentation
bin1011000110110101010100…
…1111011001011000011011
31121020110100211002212100001
42301231111033121120123
53100040210130401021
641550043035553431
72400201202220635
oct261552517313033
947213324085301
1012212022122011
1139890a9137228
1214529315bb877
136a778661a80a
143030ca5d9a55
151629e1a35091
hexb1b553d961b

12212022122011 has 8 divisors (see below), whose sum is σ = 12231682216704. Its totient is φ = 12192363924480.

The previous prime is 12212022121993. The next prime is 12212022122017. The reversal of 12212022122011 is 11022122021221.

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

It is a cyclic number.

It is not a de Polignac number, because 12212022122011 - 27 = 12212022121883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212022122011.

It is not an unprimeable number, because it can be changed into a prime (12212022122017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12704365 + ... + 13631761.

It is an arithmetic number, because the mean of its divisors is an integer number (1528960277088).

Almost surely, 212212022122011 is an apocalyptic number.

12212022122011 is a deficient number, since it is larger than the sum of its proper divisors (19660094693).

12212022122011 is an equidigital number, since it uses as much as digits as its factorization.

12212022122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948581.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212022122011 its reverse (11022122021221), we get a palindrome (23234144143232).

The spelling of 12212022122011 in words is "twelve trillion, two hundred twelve billion, twenty-two million, one hundred twenty-two thousand, eleven".

Divisors: 1 641 20543 927397 13168063 594461477 19051516571 12212022122011