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122102100001 = 767797326657
BaseRepresentation
bin111000110110111011…
…0100011000000100001
3102200011111122100121001
41301231312203000201
54000031114200001
6132032023432001
711551542503560
oct1615566430041
9380144570531
10122102100001
11478684a7a52
121b7b78b5601
13b68b85c01b
145ca45bbbd7
1532997d5001
hex1c6dda3021

122102100001 has 16 divisors (see below), whose sum is σ = 141806157696. Its totient is φ = 102967197696.

The previous prime is 122102099981. The next prime is 122102100013. The reversal of 122102100001 is 100001201221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122102100001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122102101001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210465 + ... + 537121.

It is an arithmetic number, because the mean of its divisors is an integer number (8862884856).

Almost surely, 2122102100001 is an apocalyptic number.

It is an amenable number.

122102100001 is a deficient number, since it is larger than the sum of its proper divisors (19704057695).

122102100001 is an equidigital number, since it uses as much as digits as its factorization.

122102100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327528.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122102100001 its reverse (100001201221), we get a palindrome (222103301222).

The spelling of 122102100001 in words is "one hundred twenty-two billion, one hundred two million, one hundred thousand, one".

Divisors: 1 7 67 469 797 5579 53399 326657 373793 2286599 21886019 153202133 260345629 1822419403 17443157143 122102100001