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122202120149 is a prime number
BaseRepresentation
bin111000111001111010…
…0000101111111010101
3102200102110211220102222
41301303310011333111
54000232220321044
6132045555312125
711554165611524
oct1616364057725
9380373756388
10122202120149
1147909a0262a
121b8252ab645
13b6a64aba45
145cb39b64bb
1532a34908ee
hex1c73d05fd5

122202120149 has 2 divisors, whose sum is σ = 122202120150. Its totient is φ = 122202120148.

The previous prime is 122202120097. The next prime is 122202120247. The reversal of 122202120149 is 941021202221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117044725924 + 5157394225 = 342118^2 + 71815^2 .

It is a cyclic number.

It is not a de Polignac number, because 122202120149 - 212 = 122202116053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122202126149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101060074 + 61101060075.

It is an arithmetic number, because the mean of its divisors is an integer number (61101060075).

Almost surely, 2122202120149 is an apocalyptic number.

It is an amenable number.

122202120149 is a deficient number, since it is larger than the sum of its proper divisors (1).

122202120149 is an equidigital number, since it uses as much as digits as its factorization.

122202120149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 122202120149 in words is "one hundred twenty-two billion, two hundred two million, one hundred twenty thousand, one hundred forty-nine".