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122020200220211 = 1761709165961267
BaseRepresentation
bin11011101111101000001010…
…101100001000011000110011
3121000001000110112220101122122
4123233220022230020120303
5111443134332224021321
61111303150042424455
734462445211551426
oct3357501254103063
9530030415811578
10122020200220211
1135974526a67467
12118283ba20212b
1353115bc99c267
14221bb486439bd
15e1905ac4d8ab
hex6efa0ab08633

122020200220211 has 16 divisors (see below), whose sum is σ = 131501070312480. Its totient is φ = 112800553274880.

The previous prime is 122020200220207. The next prime is 122020200220223. The reversal of 122020200220211 is 112022002020221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122020200220211 - 22 = 122020200220207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 122020200220211.

It is not an unprimeable number, because it can be changed into a prime (122020200225211) 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 15 ways as a sum of consecutive naturals, for example, 82245401 + ... + 83715866.

It is an arithmetic number, because the mean of its divisors is an integer number (8218816894530).

Almost surely, 2122020200220211 is an apocalyptic number.

122020200220211 is a deficient number, since it is larger than the sum of its proper divisors (9480870092269).

122020200220211 is a wasteful number, since it uses less digits than its factorization.

122020200220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165962054.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122020200220211 its reverse (112022002020221), we get a palindrome (234042202240432).

The spelling of 122020200220211 in words is "one hundred twenty-two trillion, twenty billion, two hundred million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 17 61 709 1037 12053 43249 735233 165961267 2821341539 10123637287 117666538303 172101833879 2000331151151 7177658836483 122020200220211