Search a number
-
+
120130131033221 is a prime number
BaseRepresentation
bin11011010100000111111001…
…110010010111110010000101
3120202100022212101021110100112
4123110013321302113302011
5111221203002021030341
61103255004220322405
734206054430544441
oct3324077162276205
9522308771243315
10120130131033221
11353059a2200561
12115820359a3405
1352052b84bc34a
142194487ac7821
15dd4cd8c4daeb
hex6d41f9c97c85

120130131033221 has 2 divisors, whose sum is σ = 120130131033222. Its totient is φ = 120130131033220.

The previous prime is 120130131033197. The next prime is 120130131033259. The reversal of 120130131033221 is 122330131031021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105838026393121 + 14292104640100 = 10287761^2 + 3780490^2 .

It is a cyclic number.

It is not a de Polignac number, because 120130131033221 - 214 = 120130131016837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120130131033271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60065065516610 + 60065065516611.

It is an arithmetic number, because the mean of its divisors is an integer number (60065065516611).

Almost surely, 2120130131033221 is an apocalyptic number.

It is an amenable number.

120130131033221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120130131033221 is an equidigital number, since it uses as much as digits as its factorization.

120130131033221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 120130131033221 its reverse (122330131031021), we get a palindrome (242460262064242).

The spelling of 120130131033221 in words is "one hundred twenty trillion, one hundred thirty billion, one hundred thirty-one million, thirty-three thousand, two hundred twenty-one".