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12222755870421 = 36971584457317
BaseRepresentation
bin1011000111011101010100…
…0001011001011011010101
31121021111001212112210001110
42301313111001121123111
53100224201000323141
641555020113245233
72401031166454035
oct261672501313325
947244055483043
1012222755870421
113992707051288
121454a28263819
136a87a7332535
14303827d9d8c5
15162e1e02ee16
hexb1dd50596d5

12222755870421 has 8 divisors (see below), whose sum is σ = 16299345684384. Its totient is φ = 8147334985040.

The previous prime is 12222755870419. The next prime is 12222755870453. The reversal of 12222755870421 is 12407855722221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12222755870421 - 21 = 12222755870419 is a prime.

It is a super-2 number, since 2×122227558704212 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222755872421) 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 7 ways as a sum of consecutive naturals, for example, 292207746 + ... + 292249571.

It is an arithmetic number, because the mean of its divisors is an integer number (2037418210548).

Almost surely, 212222755870421 is an apocalyptic number.

It is an amenable number.

12222755870421 is a deficient number, since it is larger than the sum of its proper divisors (4076589813963).

12222755870421 is an equidigital number, since it uses as much as digits as its factorization.

12222755870421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584464291.

The product of its (nonzero) digits is 1254400, while the sum is 48.

The spelling of 12222755870421 in words is "twelve trillion, two hundred twenty-two billion, seven hundred fifty-five million, eight hundred seventy thousand, four hundred twenty-one".

Divisors: 1 3 6971 20913 584457317 1753371951 4074251956807 12222755870421