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212212012153 is a prime number
BaseRepresentation
bin1100010110100011010…
…0100101010001111001
3202021202102100011211211
43011220310211101321
511434102233342103
6241253331523121
721221545224661
oct3055064452171
9667672304754
10212212012153
1181aa916a729
12351654594a1
131701c38567b
14a3b1d2b1a1
1557c062336d
hex3168d25479

212212012153 has 2 divisors, whose sum is σ = 212212012154. Its totient is φ = 212212012152.

The previous prime is 212212012151. The next prime is 212212012183. The reversal of 212212012153 is 351210212212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154835954064 + 57376058089 = 393492^2 + 239533^2 .

It is a cyclic number.

It is not a de Polignac number, because 212212012153 - 21 = 212212012151 is a prime.

Together with 212212012151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212212012151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106006076 + 106106006077.

It is an arithmetic number, because the mean of its divisors is an integer number (106106006077).

Almost surely, 2212212012153 is an apocalyptic number.

It is an amenable number.

212212012153 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212012153 is an equidigital number, since it uses as much as digits as its factorization.

212212012153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 212212012153 its reverse (351210212212), we get a palindrome (563422224365).

The spelling of 212212012153 in words is "two hundred twelve billion, two hundred twelve million, twelve thousand, one hundred fifty-three".