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122120120111201 = 476759256146439
BaseRepresentation
bin11011110001000101001110…
…011000010001000001100001
3121000101120101010210202222222
4123301011032120101001201
5112001304001222024301
61111421113024440425
734502613263611112
oct3361051630210141
9530346333722888
10122120120111201
1135a02941157473
1211843845179115
13531ab54a10b04
142222906bb0209
15e1b957e1231b
hex6f114e611061

122120120111201 has 4 divisors (see below), whose sum is σ = 122120376734400. Its totient is φ = 122119863488004.

The previous prime is 122120120111071. The next prime is 122120120111207. The reversal of 122120120111201 is 102111021021221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122120120111201 is a prime.

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 122120120111201.

It is not an unprimeable number, because it can be changed into a prime (122120120111207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127596461 + ... + 128549978.

It is an arithmetic number, because the mean of its divisors is an integer number (30530094183600).

Almost surely, 2122120120111201 is an apocalyptic number.

It is an amenable number.

122120120111201 is a deficient number, since it is larger than the sum of its proper divisors (256623199).

122120120111201 is an equidigital number, since it uses as much as digits as its factorization.

122120120111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256623198.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122120120111201 its reverse (102111021021221), we get a palindrome (224231141132422).

The spelling of 122120120111201 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred twenty million, one hundred eleven thousand, two hundred one".

Divisors: 1 476759 256146439 122120120111201