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12122002211201 = 19638000116379
BaseRepresentation
bin1011000001100101111110…
…1000101100000110000001
31120220212000011202120201022
42300121133220230012001
53042101330031224301
641440434304515225
72360533341466241
oct260313750540601
946825004676638
1012122002211201
113953a04256923
1214393aa01bb15
1369c13b6468bc
142dc9cabd7b21
151604c3a73d1b
hexb065fa2c181

12122002211201 has 4 divisors (see below), whose sum is σ = 12760002327600. Its totient is φ = 11484002094804.

The previous prime is 12122002211191. The next prime is 12122002211233. The reversal of 12122002211201 is 10211220022121.

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 12122002211201 - 234 = 12104822342017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122002211201.

It is not an unprimeable number, because it can be changed into a prime (12122002211701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319000058171 + ... + 319000058208.

It is an arithmetic number, because the mean of its divisors is an integer number (3190000581900).

Almost surely, 212122002211201 is an apocalyptic number.

It is an amenable number.

12122002211201 is a deficient number, since it is larger than the sum of its proper divisors (638000116399).

12122002211201 is an equidigital number, since it uses as much as digits as its factorization.

12122002211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638000116398.

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

Adding to 12122002211201 its reverse (10211220022121), we get a palindrome (22333222233322).

The spelling of 12122002211201 in words is "twelve trillion, one hundred twenty-two billion, two million, two hundred eleven thousand, two hundred one".

Divisors: 1 19 638000116379 12122002211201