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12120211222037 is a prime number
BaseRepresentation
bin1011000001011111010011…
…1000100110111000010101
31120220200101100200220110022
42300113310320212320111
53042034143033101122
641435540445434525
72360441063361422
oct260276470467025
946820340626408
1012120211222037
113953175297196
121438b8a26ba45
1369bc145900b9
142dc89adc8d49
1516041b6ea642
hexb05f4e26e15

12120211222037 has 2 divisors, whose sum is σ = 12120211222038. Its totient is φ = 12120211222036.

The previous prime is 12120211221997. The next prime is 12120211222039. The reversal of 12120211222037 is 73022211202121.

It is a happy number.

12120211222037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12064847955601 + 55363266436 = 3473449^2 + 235294^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120211222037 - 236 = 12051491745301 is a prime.

Together with 12120211222039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12120211221997 and 12120211222015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120211222039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060105611018 + 6060105611019.

It is an arithmetic number, because the mean of its divisors is an integer number (6060105611019).

Almost surely, 212120211222037 is an apocalyptic number.

It is an amenable number.

12120211222037 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120211222037 is an equidigital number, since it uses as much as digits as its factorization.

12120211222037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 12120211222037 its reverse (73022211202121), we get a palindrome (85142422424158).

The spelling of 12120211222037 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, thirty-seven".