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13122220101211 = 138831143150109
BaseRepresentation
bin1011111011110100000101…
…0001001000111001011011
31201110110202002011222002201
42332331001101020321123
53204443301321214321
643524133101311031
72523022563333154
oct276750121107133
951413662158081
1013122220101211
1141aa114173801
12157b210b65477
1374255cac1630
1433519415c92b
1517b5144ca291
hexbef41448e5b

13122220101211 has 8 divisors (see below), whose sum is σ = 14147625761360. Its totient is φ = 12099100743072.

The previous prime is 13122220101203. The next prime is 13122220101223. The reversal of 13122220101211 is 11210102222131.

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 13122220101211 - 23 = 13122220101203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122220101281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571563576 + ... + 571586533.

It is an arithmetic number, because the mean of its divisors is an integer number (1768453220170).

Almost surely, 213122220101211 is an apocalyptic number.

13122220101211 is a deficient number, since it is larger than the sum of its proper divisors (1025405660149).

13122220101211 is a wasteful number, since it uses less digits than its factorization.

13122220101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143151005.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 13122220101211 its reverse (11210102222131), we get a palindrome (24332322323342).

The spelling of 13122220101211 in words is "thirteen trillion, one hundred twenty-two billion, two hundred twenty million, one hundred one thousand, two hundred eleven".

Divisors: 1 13 883 11479 1143150109 14860951417 1009401546247 13122220101211