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120122212012211 = 371233235789457
BaseRepresentation
bin11011010100000000100001…
…110001101101000010110011
3120202022120102111020111202002
4123110000201301231002303
5111221040242233342321
61103251214332244215
734205354252145563
oct3324004161550263
9522276374214662
10120122212012211
11353025a91128a2
12115805a591066b
1352046259900b6
142193d3609cda3
15dd49c38ec20b
hex6d4021c6d0b3

120122212012211 has 4 divisors (see below), whose sum is σ = 120125447838792. Its totient is φ = 120118976185632.

The previous prime is 120122212012199. The next prime is 120122212012213. The reversal of 120122212012211 is 112210212221021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120122212012211 - 246 = 49753467834547 is a prime.

It is a super-2 number, since 2×1201222120122112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120122212012213) 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, 1617857606 + ... + 1617931851.

It is an arithmetic number, because the mean of its divisors is an integer number (30031361959698).

Almost surely, 2120122212012211 is an apocalyptic number.

120122212012211 is a deficient number, since it is larger than the sum of its proper divisors (3235826581).

120122212012211 is an equidigital number, since it uses as much as digits as its factorization.

120122212012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235826580.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 120122212012211 its reverse (112210212221021), we get a palindrome (232332424233232).

The spelling of 120122212012211 in words is "one hundred twenty trillion, one hundred twenty-two billion, two hundred twelve million, twelve thousand, two hundred eleven".

Divisors: 1 37123 3235789457 120122212012211