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122120020012211 = 1330738988389083
BaseRepresentation
bin11011110001000101001000…
…011010011010110010110011
3121000101120010011110012222222
4123301011020122122302303
5112001303300110342321
61111421055051151255
734502610640024244
oct3361051032326263
9530346104405888
10122120020012211
1135a0289a6a8631
121184381774552b
13531ab3a064240
1422228d7794ccb
15e1b94e23d3ab
hex6f114869acb3

122120020012211 has 32 divisors (see below), whose sum is σ = 132432730510080. Its totient is φ = 111941969134464.

The previous prime is 122120020012129. The next prime is 122120020012219. The reversal of 122120020012211 is 112210020021221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122120020012211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122120020012211.

It is not an unprimeable number, because it can be changed into a prime (122120020012219) 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 31 ways as a sum of consecutive naturals, for example, 1370812076 + ... + 1370901158.

It is an arithmetic number, because the mean of its divisors is an integer number (4138522828440).

Almost surely, 2122120020012211 is an apocalyptic number.

122120020012211 is a deficient number, since it is larger than the sum of its proper divisors (10312710497869).

122120020012211 is a wasteful number, since it uses less digits than its factorization.

122120020012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90675.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122120020012211 its reverse (112210020021221), we get a palindrome (234330040033432).

The spelling of 122120020012211 in words is "one hundred twenty-two trillion, one hundred twenty billion, twenty million, twelve thousand, two hundred eleven".

Divisors: 1 13 307 389 883 3991 5057 11479 89083 119423 271081 343487 1158079 1552499 3524053 4465331 27348481 34653287 78660289 105450509 355530253 450492731 1022583757 1370856617 10638559109 24148708723 30598852421 138301268417 313933213399 397785081473 9393847693247 122120020012211