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12201131220214 = 229823490952069
BaseRepresentation
bin1011000110001100110000…
…0101111001110011110110
31121012102020210221201200211
42301203030011321303312
53044400404043021324
641541042230100034
72366334256122436
oct261431405716366
947172223851624
1012201131220214
11398451a544542
1214507b21aa61a
136a673c1a0c21
143027760082c6
151625a5846294
hexb18cc179cf6

12201131220214 has 32 divisors (see below), whose sum is σ = 18960019992000. Its totient is φ = 5881732907904.

The previous prime is 12201131220211. The next prime is 12201131220319. The reversal of 12201131220214 is 41202213110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201131220211) 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 15 ways as a sum of consecutive naturals, for example, 234300172 + ... + 234352240.

It is an arithmetic number, because the mean of its divisors is an integer number (592500624750).

Almost surely, 212201131220214 is an apocalyptic number.

12201131220214 is a deficient number, since it is larger than the sum of its proper divisors (6758888771786).

12201131220214 is a wasteful number, since it uses less digits than its factorization.

12201131220214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57832.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12201131220214 its reverse (41202213110221), we get a palindrome (53403344330435).

The spelling of 12201131220214 in words is "twelve trillion, two hundred one billion, one hundred thirty-one million, two hundred twenty thousand, two hundred fourteen".

Divisors: 1 2 29 58 823 1646 4909 9818 23867 47734 52069 104138 142361 284722 1510001 3020002 4040107 8080214 42852787 85705574 117163103 234326206 255606721 511213442 1242730823 2485461646 7412594909 14825189818 210364331383 420728662766 6100565610107 12201131220214