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122020120020211 = 7268314737440863
BaseRepresentation
bin11011101111101000000101…
…111010001100010011110011
3121000001000020221222210221021
4123233220011322030103303
5111443134201211121321
61111303134055440311
734462443216063250
oct3357500572142363
9530030227883837
10122020120020211
1135974495769a76
1211828397386097
1353115a919bb3a
14221bb3bb28427
15e19053baa941
hex6efa05e8c4f3

122020120020211 has 16 divisors (see below), whose sum is σ = 139513324386304. Its totient is φ = 104542360815744.

The previous prime is 122020120020193. The next prime is 122020120020287. The reversal of 122020120020211 is 112020021020221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122020120020211 - 225 = 122020086465779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020120060211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276555166 + ... + 276996028.

It is an arithmetic number, because the mean of its divisors is an integer number (8719582774144).

Almost surely, 2122020120020211 is an apocalyptic number.

122020120020211 is a deficient number, since it is larger than the sum of its proper divisors (17493204366093).

122020120020211 is a wasteful number, since it uses less digits than its factorization.

122020120020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458290.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122020120020211 its reverse (112020021020221), we get a palindrome (234040141040432).

The spelling of 122020120020211 in words is "one hundred twenty-two trillion, twenty billion, one hundred twenty million, twenty thousand, two hundred eleven".

Divisors: 1 7 2683 14737 18781 103159 440863 3086041 39539371 276775597 1182835429 6496998031 8279848003 45478986217 17431445717173 122020120020211