Search a number
-
+
212112121001227 is a prime number
BaseRepresentation
bin110000001110101000110011…
…100111111111010100001011
31000211000201110102011011102221
4300032220303213333110023
5210300221110434014402
62031042544013434511
762451411044163526
oct6016506347772413
91024021412134387
10212112121001227
116164927760a937
121b95890019ba37
13914811970a575
143a543d237bbbd
15197c7ca3bc337
hexc0ea339ff50b

212112121001227 has 2 divisors, whose sum is σ = 212112121001228. Its totient is φ = 212112121001226.

The previous prime is 212112121001153. The next prime is 212112121001243. The reversal of 212112121001227 is 722100121211212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212112121001227 - 223 = 212112112612619 is a prime.

It is not a weakly prime, because it can be changed into another prime (212112121001327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056060500613 + 106056060500614.

It is an arithmetic number, because the mean of its divisors is an integer number (106056060500614).

Almost surely, 2212112121001227 is an apocalyptic number.

212112121001227 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112121001227 is an equidigital number, since it uses as much as digits as its factorization.

212112121001227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 212112121001227 its reverse (722100121211212), we get a palindrome (934212242212439).

The spelling of 212112121001227 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, one thousand, two hundred twenty-seven".