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101212132349 is a prime number
BaseRepresentation
bin101111001000010110…
…1101001001111111101
3100200020122111001020102
41132100231221033331
53124240301213344
6114255103130445
710212062634026
oct1362055511775
9320218431212
10101212132349
1139a18679079
12177478a3a25
13970c991213
144c8202bc4d
15297586ee4e
hex1790b693fd

101212132349 has 2 divisors, whose sum is σ = 101212132350. Its totient is φ = 101212132348.

The previous prime is 101212132319. The next prime is 101212132363. The reversal of 101212132349 is 943231212101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87565687225 + 13646445124 = 295915^2 + 116818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101212132349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101212132309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606066174 + 50606066175.

It is an arithmetic number, because the mean of its divisors is an integer number (50606066175).

Almost surely, 2101212132349 is an apocalyptic number.

It is an amenable number.

101212132349 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212132349 is an equidigital number, since it uses as much as digits as its factorization.

101212132349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 101212132349 in words is "one hundred one billion, two hundred twelve million, one hundred thirty-two thousand, three hundred forty-nine".