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123222120037 is a prime number
BaseRepresentation
bin111001011000010011…
…1000101011001100101
3102210001120011021020121
41302300213011121211
54004324330320122
6132335113401541
711621362511242
oct1626047053145
9383046137217
10123222120037
1148292746645
121ba6aa092b1
13b8098cc283
145d6d24c5c9
153312cc2bc7
hex1cb09c5665

123222120037 has 2 divisors, whose sum is σ = 123222120038. Its totient is φ = 123222120036.

The previous prime is 123222120029. The next prime is 123222120137. The reversal of 123222120037 is 730021222321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72217962756 + 51004157281 = 268734^2 + 225841^2 .

It is a cyclic number.

It is not a de Polignac number, because 123222120037 - 23 = 123222120029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123222119993 and 123222120020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123222120137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611060018 + 61611060019.

It is an arithmetic number, because the mean of its divisors is an integer number (61611060019).

Almost surely, 2123222120037 is an apocalyptic number.

It is an amenable number.

123222120037 is a deficient number, since it is larger than the sum of its proper divisors (1).

123222120037 is an equidigital number, since it uses as much as digits as its factorization.

123222120037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 123222120037 its reverse (730021222321), we get a palindrome (853243342358).

The spelling of 123222120037 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred twenty thousand, thirty-seven".