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12231250013 is a prime number
BaseRepresentation
bin10110110010000101…
…00001000001011101
31011120102020212201202
423121002201001131
5200022200000023
65341410045245
7612046624013
oct133102410135
934512225652
1012231250013
115207249194
122454279825
1311cc040a58
148406168b3
154b8bee128
hex2d90a105d

12231250013 has 2 divisors, whose sum is σ = 12231250014. Its totient is φ = 12231250012.

The previous prime is 12231250001. The next prime is 12231250033. The reversal of 12231250013 is 31005213221.

It is an a-pointer prime, because the next prime (12231250033) can be obtained adding 12231250013 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12176460409 + 54789604 = 110347^2 + 7402^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231250013 - 24 = 12231249997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231250033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115625006 + 6115625007.

It is an arithmetic number, because the mean of its divisors is an integer number (6115625007).

Almost surely, 212231250013 is an apocalyptic number.

It is an amenable number.

12231250013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231250013 is an equidigital number, since it uses as much as digits as its factorization.

12231250013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 12231250013 its reverse (31005213221), we get a palindrome (43236463234).

The spelling of 12231250013 in words is "twelve billion, two hundred thirty-one million, two hundred fifty thousand, thirteen".