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1212231114201 = 38329316615693
BaseRepresentation
bin10001101000111110100…
…110101101110111011001
311021212222110201002102010
4101220332212231313121
5124330122131123301
62324520303500133
7153403134313062
oct21507646556731
94255873632363
101212231114201
11428116952238
12176b318b7649
138a40b5ab9a3
144295ab07569
15217ed8ae5d6
hex11a3e9addd9

1212231114201 has 16 divisors (see below), whose sum is σ = 1641364716096. Its totient is φ = 795692258496.

The previous prime is 1212231114179. The next prime is 1212231114233. The reversal of 1212231114201 is 1024111322121.

It is not a de Polignac number, because 1212231114201 - 215 = 1212231081433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212231114701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8234890 + ... + 8380803.

It is an arithmetic number, because the mean of its divisors is an integer number (102585294756).

Almost surely, 21212231114201 is an apocalyptic number.

It is an amenable number.

1212231114201 is a deficient number, since it is larger than the sum of its proper divisors (429133601895).

1212231114201 is a wasteful number, since it uses less digits than its factorization.

1212231114201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16616072.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1212231114201 its reverse (1024111322121), we get a palindrome (2236342436322).

The spelling of 1212231114201 in words is "one trillion, two hundred twelve billion, two hundred thirty-one million, one hundred fourteen thousand, two hundred one".

Divisors: 1 3 83 249 293 879 24319 72957 16615693 49847079 1379102519 4137307557 4868398049 14605194147 404077038067 1212231114201