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121010031229 is a prime number
BaseRepresentation
bin111000010110011000…
…0101000101001111101
3102120100101201111212111
41300230300220221331
53440312031444404
6131331412534021
711512512202603
oct1605460505175
9376311644774
10121010031229
114735800a57a
121b552021311
13b546527399
145bdd545873
1532339b9104
hex1c2cc28a7d

121010031229 has 2 divisors, whose sum is σ = 121010031230. Its totient is φ = 121010031228.

The previous prime is 121010031217. The next prime is 121010031251. The reversal of 121010031229 is 922130010121.

It is an a-pointer prime, because the next prime (121010031251) can be obtained adding 121010031229 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114583604004 + 6426427225 = 338502^2 + 80165^2 .

It is a cyclic number.

It is not a de Polignac number, because 121010031229 - 27 = 121010031101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121010035229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505015614 + 60505015615.

It is an arithmetic number, because the mean of its divisors is an integer number (60505015615).

Almost surely, 2121010031229 is an apocalyptic number.

It is an amenable number.

121010031229 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010031229 is an equidigital number, since it uses as much as digits as its factorization.

121010031229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 121010031229 in words is "one hundred twenty-one billion, ten million, thirty-one thousand, two hundred twenty-nine".