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122222002213 is a prime number
BaseRepresentation
bin111000111010011111…
…1111100000000100101
3102200110212021000111201
41301310333330000211
54000302313032323
6132051545402501
711554526606653
oct1616477740045
9380425230451
10122222002213
114791a152293
121b82ba99431
13b6aa65058c
145cb64addd3
1532a50bb8ad
hex1c74ffc025

122222002213 has 2 divisors, whose sum is σ = 122222002214. Its totient is φ = 122222002212.

The previous prime is 122222002193. The next prime is 122222002247. The reversal of 122222002213 is 312200222221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112048859169 + 10173143044 = 334737^2 + 100862^2 .

It is a cyclic number.

It is not a de Polignac number, because 122222002213 - 213 = 122221994021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122222002013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111001106 + 61111001107.

It is an arithmetic number, because the mean of its divisors is an integer number (61111001107).

Almost surely, 2122222002213 is an apocalyptic number.

It is an amenable number.

122222002213 is a deficient number, since it is larger than the sum of its proper divisors (1).

122222002213 is an equidigital number, since it uses as much as digits as its factorization.

122222002213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 122222002213 its reverse (312200222221), we get a palindrome (434422224434).

The spelling of 122222002213 in words is "one hundred twenty-two billion, two hundred twenty-two million, two thousand, two hundred thirteen".