Search a number
-
+
12133122187 is a prime number
BaseRepresentation
bin10110100110011000…
…01100000010001011
31011022120121110122211
423103030030002023
5144322034402222
65323542525551
7606445560034
oct132314140213
934276543584
1012133122187
11516691630a
1224274368b7
1311b4904454
14831591a8b
154b02b9277
hex2d330c08b

12133122187 has 2 divisors, whose sum is σ = 12133122188. Its totient is φ = 12133122186.

The previous prime is 12133122179. The next prime is 12133122191. The reversal of 12133122187 is 78122133121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12133122187 - 23 = 12133122179 is a prime.

It is not a weakly prime, because it can be changed into another prime (12133122487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066561093 + 6066561094.

It is an arithmetic number, because the mean of its divisors is an integer number (6066561094).

Almost surely, 212133122187 is an apocalyptic number.

12133122187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133122187 is an equidigital number, since it uses as much as digits as its factorization.

12133122187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The spelling of 12133122187 in words is "twelve billion, one hundred thirty-three million, one hundred twenty-two thousand, one hundred eighty-seven".