Search a number
-
+
122212030131391 is a prime number
BaseRepresentation
bin11011110010011010110100…
…101001001010110010111111
3121000201100121111201120020211
4123302122310221022302333
5112004310214203201031
61111531233115253251
734512346015106464
oct3362326451126277
9530640544646224
10122212030131391
1135a38915a47a42
121185961574a227
135326711464745
14222714562366b
15e1e036ccabb1
hex6f26b4a4acbf

122212030131391 has 2 divisors, whose sum is σ = 122212030131392. Its totient is φ = 122212030131390.

The previous prime is 122212030131383. The next prime is 122212030131413. The reversal of 122212030131391 is 193131030212221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122212030131391 - 23 = 122212030131383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122212030131491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106015065695 + 61106015065696.

It is an arithmetic number, because the mean of its divisors is an integer number (61106015065696).

Almost surely, 2122212030131391 is an apocalyptic number.

122212030131391 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212030131391 is an equidigital number, since it uses as much as digits as its factorization.

122212030131391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 122212030131391 in words is "one hundred twenty-two trillion, two hundred twelve billion, thirty million, one hundred thirty-one thousand, three hundred ninety-one".