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120200222122121 = 145182839574171
BaseRepresentation
bin11011010101001001001011…
…100010101010000010001001
3120202121000210011000200201002
4123111021023202222002021
5111223330023330401441
61103351115243504345
734214115362143421
oct3325111342520211
9522530704020632
10120200222122121
113533269a858009
12115937372280b5
13520baa877a44b
142197a16851481
15dd6a3c353b9b
hex6d524b8aa089

120200222122121 has 4 divisors (see below), whose sum is σ = 120283061697744. Its totient is φ = 120117382546500.

The previous prime is 120200222122103. The next prime is 120200222122157. The reversal of 120200222122121 is 121221222002021.

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 not a de Polignac number, because 120200222122121 - 222 = 120200217927817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120200222122093 and 120200222122102.

It is not an unprimeable number, because it can be changed into a prime (120200222122921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41419785635 + ... + 41419788536.

It is an arithmetic number, because the mean of its divisors is an integer number (30070765424436).

Almost surely, 2120200222122121 is an apocalyptic number.

It is an amenable number.

120200222122121 is a deficient number, since it is larger than the sum of its proper divisors (82839575623).

120200222122121 is an equidigital number, since it uses as much as digits as its factorization.

120200222122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82839575622.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120200222122121 its reverse (121221222002021), we get a palindrome (241421444124142).

The spelling of 120200222122121 in words is "one hundred twenty trillion, two hundred billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 1451 82839574171 120200222122121