Search a number
-
+
12220101212057 is a prime number
BaseRepresentation
bin1011000111010011011011…
…0010101011011110011001
31121021020012212100011101022
42301310312302223132121
53100203231402241212
641553500442532225
72400605333314214
oct261646662533631
947236185304338
1012220101212057
113991574614152
121454407207075
136a8473362a7b
143036555b077b
15162d15e54772
hexb1d36cab799

12220101212057 has 2 divisors, whose sum is σ = 12220101212058. Its totient is φ = 12220101212056.

The previous prime is 12220101212023. The next prime is 12220101212107. The reversal of 12220101212057 is 75021210102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8161471935241 + 4058629276816 = 2856829^2 + 2014604^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220101212057 - 212 = 12220101207961 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220101215057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110050606028 + 6110050606029.

It is an arithmetic number, because the mean of its divisors is an integer number (6110050606029).

Almost surely, 212220101212057 is an apocalyptic number.

It is an amenable number.

12220101212057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220101212057 is an equidigital number, since it uses as much as digits as its factorization.

12220101212057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 12220101212057 its reverse (75021210102221), we get a palindrome (87241311314278).

The spelling of 12220101212057 in words is "twelve trillion, two hundred twenty billion, one hundred one million, two hundred twelve thousand, fifty-seven".