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12212002212011 = 72249224534939
BaseRepresentation
bin1011000110110101010000…
…0011011100100010101011
31121020110022102122022221122
42301231110003130202223
53100040140031241021
641550041045125455
72400200541045200
oct261552403344253
947213272568848
1012212002212011
113989098978588
1214529269b988b
136a7782469354
143030c7ad5ca7
151629dee00bab
hexb1b540dc8ab

12212002212011 has 6 divisors (see below), whose sum is σ = 14205798491580. Its totient is φ = 10467430467396.

The previous prime is 12212002211987. The next prime is 12212002212019. The reversal of 12212002212011 is 11021220021221.

It is not a de Polignac number, because 12212002212011 - 218 = 12212001949867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212002212019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124612267421 + ... + 124612267518.

It is an arithmetic number, because the mean of its divisors is an integer number (2367633081930).

Almost surely, 212212002212011 is an apocalyptic number.

12212002212011 is a deficient number, since it is larger than the sum of its proper divisors (1993796279569).

12212002212011 is an equidigital number, since it uses as much as digits as its factorization.

12212002212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249224534953 (or 249224534946 counting only the distinct ones).

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

Adding to 12212002212011 its reverse (11021220021221), we get a palindrome (23233222233232).

The spelling of 12212002212011 in words is "twelve trillion, two hundred twelve billion, two million, two hundred twelve thousand, eleven".

Divisors: 1 7 49 249224534939 1744571744573 12212002212011