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120212122231 is a prime number
BaseRepresentation
bin110111111110100110…
…0110110101001110111
3102111021210022112111101
41233331030312221313
53432143300402411
6131120310550531
711453653115365
oct1577514665167
9374253275441
10120212122231
1146a88677753
121b36a968447
13b44a127196
145b655a2635
1531d89068c1
hex1bfd336a77

120212122231 has 2 divisors, whose sum is σ = 120212122232. Its totient is φ = 120212122230.

The previous prime is 120212122229. The next prime is 120212122271. The reversal of 120212122231 is 132221212021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120212122231 - 21 = 120212122229 is a prime.

It is a super-2 number, since 2×1202121222312 (a number of 23 digits) contains 22 as substring.

Together with 120212122229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 120212122199 and 120212122208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120212122271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106061115 + 60106061116.

It is an arithmetic number, because the mean of its divisors is an integer number (60106061116).

Almost surely, 2120212122231 is an apocalyptic number.

120212122231 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212122231 is an equidigital number, since it uses as much as digits as its factorization.

120212122231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 120212122231 its reverse (132221212021), we get a palindrome (252433334252).

The spelling of 120212122231 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, two hundred thirty-one".