Search a number
-
+
121012302211001 is a prime number
BaseRepresentation
bin11011100000111101011111…
…010010010110011110111001
3120212110122220101222112022222
4123200331133102112132321
5111330131143331223001
61105212141214253425
734326564442045445
oct3340753722263671
9525418811875288
10121012302211001
11356160358a5333
12116a4bb31b7275
13526a5463502b6
1421c50532c1825
15decc1ae3661b
hex6e0f5f4967b9

121012302211001 has 2 divisors, whose sum is σ = 121012302211002. Its totient is φ = 121012302211000.

The previous prime is 121012302210973. The next prime is 121012302211027. The reversal of 121012302211001 is 100112203210121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119619609555625 + 1392692655376 = 10937075^2 + 1180124^2 .

It is a cyclic number.

It is not a de Polignac number, because 121012302211001 - 222 = 121012298016697 is a prime.

It is not a weakly prime, because it can be changed into another prime (121012302211051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506151105500 + 60506151105501.

It is an arithmetic number, because the mean of its divisors is an integer number (60506151105501).

Almost surely, 2121012302211001 is an apocalyptic number.

It is an amenable number.

121012302211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012302211001 is an equidigital number, since it uses as much as digits as its factorization.

121012302211001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121012302211001 its reverse (100112203210121), we get a palindrome (221124505421122).

The spelling of 121012302211001 in words is "one hundred twenty-one trillion, twelve billion, three hundred two million, two hundred eleven thousand, one".