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12437069213 is a prime number
BaseRepresentation
bin10111001010100111…
…01001110110011101
31012002202112120121002
423211103221312131
5200432342203323
65414041320045
7620126226002
oct134523516635
935082476532
1012437069213
1153024461a8
1224b1196025
13123288496a
1485dab18a9
154cbd07828
hex2e54e9d9d

12437069213 has 2 divisors, whose sum is σ = 12437069214. Its totient is φ = 12437069212.

The previous prime is 12437069209. The next prime is 12437069251. The reversal of 12437069213 is 31296073421.

It is an a-pointer prime, because the next prime (12437069251) can be obtained adding 12437069213 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8415860644 + 4021208569 = 91738^2 + 63413^2 .

It is a cyclic number.

It is not a de Polignac number, because 12437069213 - 22 = 12437069209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12437069263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6218534606 + 6218534607.

It is an arithmetic number, because the mean of its divisors is an integer number (6218534607).

Almost surely, 212437069213 is an apocalyptic number.

It is an amenable number.

12437069213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12437069213 is an equidigital number, since it uses as much as digits as its factorization.

12437069213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 12437069213 in words is "twelve billion, four hundred thirty-seven million, sixty-nine thousand, two hundred thirteen".