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122120220037 is a prime number
BaseRepresentation
bin111000110111011101…
…1101010110110000101
3102200012202201221121111
41301232323222312011
54000100234020122
6132033512045021
711552152512634
oct1615673526605
9380182657544
10122120220037
1147877753892
121b801993771
13b69253483a
145ca6b7751b
15329b1b3d77
hex1c6eeead85

122120220037 has 2 divisors, whose sum is σ = 122120220038. Its totient is φ = 122120220036.

The previous prime is 122120220011. The next prime is 122120220043. The reversal of 122120220037 is 730022021221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122028654276 + 91565761 = 349326^2 + 9569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122120220037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120220067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060110018 + 61060110019.

It is an arithmetic number, because the mean of its divisors is an integer number (61060110019).

Almost surely, 2122120220037 is an apocalyptic number.

It is an amenable number.

122120220037 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120220037 is an equidigital number, since it uses as much as digits as its factorization.

122120220037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 122120220037 its reverse (730022021221), we get a palindrome (852142241258).

The spelling of 122120220037 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred twenty thousand, thirty-seven".