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12211200212011 = 14987887932497
BaseRepresentation
bin1011000110110010010001…
…0000000011110000101011
31121020101020112112111202221
42301230210100003300223
53100032014223241021
641545425315334511
72400141632131603
oct261544420036053
947211215474687
1012211200212011
1139888171a1069
1214527422b1437
136a7685266038
1430304d3a9c03
151629947d1241
hexb1b24403c2b

12211200212011 has 8 divisors (see below), whose sum is σ = 12293307633600. Its totient is φ = 12129094831488.

The previous prime is 12211200211999. The next prime is 12211200212041. The reversal of 12211200212011 is 11021200211221.

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 12211200212011 - 29 = 12211200211499 is a prime.

It is a super-2 number, since 2×122112002120112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211200212041) 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, 12628915 + ... + 13561411.

It is an arithmetic number, because the mean of its divisors is an integer number (1536663454200).

Almost surely, 212211200212011 is an apocalyptic number.

12211200212011 is a deficient number, since it is larger than the sum of its proper divisors (82107421589).

12211200212011 is an equidigital number, since it uses as much as digits as its factorization.

12211200212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020533.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211200212011 its reverse (11021200211221), we get a palindrome (23232400423232).

The spelling of 12211200212011 in words is "twelve trillion, two hundred eleven billion, two hundred million, two hundred twelve thousand, eleven".

Divisors: 1 149 87887 932497 13095163 138942053 81954363839 12211200212011