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12020222111101 = 241728611738273
BaseRepresentation
bin1010111011101010110100…
…0100011010110101111101
31120120010021221112210012021
42232322231010122311331
53033414403330023401
641322002552040141
72350301211064441
oct256725504326575
946503257483167
1012020222111101
113914825019216
121421724093051
1369266b0c3ab9
142d7ad35a0821
1515ca184122a1
hexaeead11ad7d

12020222111101 has 8 divisors (see below), whose sum is σ = 12029405374584. Its totient is φ = 12011042334720.

The previous prime is 12020222111089. The next prime is 12020222111119. The reversal of 12020222111101 is 10111122202021.

It can be written as a sum of positive squares in 4 ways, for example, as 1844568706201 + 10175653404900 = 1358149^2 + 3189930^2 .

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 12020222111101 - 213 = 12020222102909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020220111101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6045901 + ... + 7784173.

It is an arithmetic number, because the mean of its divisors is an integer number (1503675671823).

Almost surely, 212020222111101 is an apocalyptic number.

It is an amenable number.

12020222111101 is a deficient number, since it is larger than the sum of its proper divisors (9183263483).

12020222111101 is a wasteful number, since it uses less digits than its factorization.

12020222111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743551.

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

Adding to 12020222111101 its reverse (10111122202021), we get a palindrome (22131344313122).

The spelling of 12020222111101 in words is "twelve trillion, twenty billion, two hundred twenty-two million, one hundred eleven thousand, one hundred one".

Divisors: 1 2417 2861 1738273 6915037 4201405841 4973199053 12020222111101