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122221193243 is a prime number
BaseRepresentation
bin111000111010011110…
…0110110100000011011
3102200110210201220210212
41301310330312200123
54000302111140433
6132051520201335
711554520000312
oct1616474664033
9380423656725
10122221193243
114791974a516
121b82b76924b
13b6aa4292b6
145cb633d279
1532a4eabd48
hex1c74f3681b

122221193243 has 2 divisors, whose sum is σ = 122221193244. Its totient is φ = 122221193242.

The previous prime is 122221193231. The next prime is 122221193293. The reversal of 122221193243 is 342391122221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122221193243 - 218 = 122220931099 is a prime.

It is not a weakly prime, because it can be changed into another prime (122221193293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110596621 + 61110596622.

It is an arithmetic number, because the mean of its divisors is an integer number (61110596622).

Almost surely, 2122221193243 is an apocalyptic number.

122221193243 is a deficient number, since it is larger than the sum of its proper divisors (1).

122221193243 is an equidigital number, since it uses as much as digits as its factorization.

122221193243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The spelling of 122221193243 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred ninety-three thousand, two hundred forty-three".