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120210122021021 = 4346716139370919
BaseRepresentation
bin11011010101010010011001…
…100111110001100010011101
3120202121222100002102122221022
4123111102121213301202131
5111224010312214133041
61103355433453013525
734214615612662424
oct3325223147614235
9522558302378838
10120210122021021
113533691001163a
121159563a7842a5
13520c9c57ba0a6
1421982b55982bb
15dd6e1b53c24b
hex6d54999f189d

120210122021021 has 16 divisors (see below), whose sum is σ = 123277072089600. Its totient is φ = 117155539315248.

The previous prime is 120210122021009. The next prime is 120210122021081. The reversal of 120210122021021 is 120120221012021.

It is a de Polignac number, because none of the positive numbers 2k-120210122021021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210122021081) 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, 323901800 + ... + 324272718.

It is an arithmetic number, because the mean of its divisors is an integer number (7704817005600).

Almost surely, 2120210122021021 is an apocalyptic number.

It is an amenable number.

120210122021021 is a deficient number, since it is larger than the sum of its proper divisors (3066950068579).

120210122021021 is a wasteful number, since it uses less digits than its factorization.

120210122021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387568.

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

Adding to 120210122021021 its reverse (120120221012021), we get a palindrome (240330343033042).

The spelling of 120210122021021 in words is "one hundred twenty trillion, two hundred ten billion, one hundred twenty-two million, twenty-one thousand, twenty-one".

Divisors: 1 43 467 16139 20081 370919 693977 7536913 15949517 173219173 324087259 5986261741 7448424439 257409254863 2795584233047 120210122021021