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12211220211202 = 212323495464587
BaseRepresentation
bin1011000110110010010101…
…1100010110011000000010
31121020101021221011120111201
42301230211130112120002
53100032034333224302
641545431312131414
72400142264125355
oct261544534263002
947211257146451
1012211220211202
113988827510821
121452748b36b6a
136a7689448c8c
14303051cd429c
15162996431c87
hexb1b25716602

12211220211202 has 8 divisors (see below), whose sum is σ = 18318316747536. Its totient is φ = 6105114628692.

The previous prime is 12211220211187. The next prime is 12211220211221. The reversal of 12211220211202 is 20211202211221.

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

It is a super-2 number, since 2×122112202112022 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211220211202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247707648 + ... + 247756939.

It is an arithmetic number, because the mean of its divisors is an integer number (2289789593442).

Almost surely, 212211220211202 is an apocalyptic number.

12211220211202 is a deficient number, since it is larger than the sum of its proper divisors (6107096536334).

12211220211202 is a wasteful number, since it uses less digits than its factorization.

12211220211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495476912.

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

Adding to 12211220211202 its reverse (20211202211221), we get a palindrome (32422422422423).

The spelling of 12211220211202 in words is "twelve trillion, two hundred eleven billion, two hundred twenty million, two hundred eleven thousand, two hundred two".

Divisors: 1 2 12323 24646 495464587 990929174 6105610105601 12211220211202