Search a number
-
+
12122323311101 = 431151472351859
BaseRepresentation
bin1011000001100111001011…
…0001100101100111111101
31120220212211112222010222012
42300121302301211213331
53042103004231423401
641440530215101005
72360544321005453
oct260316261454775
946825745863865
1012122323311101
113954059531a43
121439479671765
1369c190021643
142dca1b7009d3
151604e1d4e8bb
hexb0672c659fd

12122323311101 has 16 divisors (see below), whose sum is σ = 12417882808320. Its totient is φ = 11827388890800.

The previous prime is 12122323311097. The next prime is 12122323311121. The reversal of 12122323311101 is 10111332322121.

It is a happy number.

It is not a de Polignac number, because 12122323311101 - 22 = 12122323311097 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 (12122323311121) 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, 233729510 + ... + 233781368.

It is an arithmetic number, because the mean of its divisors is an integer number (776117675520).

Almost surely, 212122323311101 is an apocalyptic number.

It is an amenable number.

12122323311101 is a deficient number, since it is larger than the sum of its proper divisors (295559497219).

12122323311101 is a wasteful number, since it uses less digits than its factorization.

12122323311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57776.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12122323311101 its reverse (10111332322121), we get a palindrome (22233655633222).

The spelling of 12122323311101 in words is "twelve trillion, one hundred twenty-two billion, three hundred twenty-three million, three hundred eleven thousand, one hundred one".

Divisors: 1 43 1151 4723 49493 51859 203089 2229937 5436173 59689709 233755439 244930057 2566657487 10531992451 281914495607 12122323311101