Search a number
-
+
12207118824431 is a prime number
BaseRepresentation
bin1011000110100011000011…
…1110110011001111101111
31121012222201002200112112222
42301220300332303033233
53100000134404340211
641543512321145555
72366635532662466
oct261506076631757
947188632615488
1012207118824431
113987012379183
1214519a348b2bb
136a71848197bb
14302b8330b9dd
151628063311db
hexb1a30fb33ef

12207118824431 has 2 divisors, whose sum is σ = 12207118824432. Its totient is φ = 12207118824430.

The previous prime is 12207118824409. The next prime is 12207118824437. The reversal of 12207118824431 is 13442881170221.

It is a strong prime.

It is an emirp because it is prime and its reverse (13442881170221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12207118824431 - 214 = 12207118808047 is a prime.

It is a super-2 number, since 2×122071188244312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12207118824437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6103559412215 + 6103559412216.

It is an arithmetic number, because the mean of its divisors is an integer number (6103559412216).

Almost surely, 212207118824431 is an apocalyptic number.

12207118824431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12207118824431 is an equidigital number, since it uses as much as digits as its factorization.

12207118824431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 44.

Adding to 12207118824431 its reverse (13442881170221), we get a palindrome (25649999994652).

The spelling of 12207118824431 in words is "twelve trillion, two hundred seven billion, one hundred eighteen million, eight hundred twenty-four thousand, four hundred thirty-one".