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12212201112001 = 112539934370987
BaseRepresentation
bin1011000110110101111111…
…1010001100000111000001
31121020110211021220111102221
42301231133322030013001
53100041041441041001
641550112512211041
72400205504501432
oct261553772140701
947213737814387
1012212201112001
11398919017a040
121452981539a81
136a77b4729a57
143031062ad489
15162a025de1a1
hexb1b5fe8c1c1

12212201112001 has 8 divisors (see below), whose sum is σ = 13322456712864. Its totient is φ = 11101954761120.

The previous prime is 12212201111977. The next prime is 12212201112019. The reversal of 12212201112001 is 10021110221221.

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 12212201112001 - 227 = 12212066894273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212201116001) 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, 608430 + ... + 4979416.

It is an arithmetic number, because the mean of its divisors is an integer number (1665307089108).

Almost surely, 212212201112001 is an apocalyptic number.

12212201112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12212201112001 is a deficient number, since it is larger than the sum of its proper divisors (1110255600863).

12212201112001 is a wasteful number, since it uses less digits than its factorization.

12212201112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624991.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212201112001 its reverse (10021110221221), we get a palindrome (22233311333222).

The spelling of 12212201112001 in words is "twelve trillion, two hundred twelve billion, two hundred one million, one hundred twelve thousand, one".

Divisors: 1 11 253993 2793923 4370987 48080857 1110200101091 12212201112001