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122010320231 is a prime number
BaseRepresentation
bin111000110100001100…
…0011011110101100111
3102122221002221110102022
41301220120123311213
53444334120221411
6132014544333355
711546346416222
oct1615030336547
9378832843368
10122010320231
11478207104a8
121b79101425b
13b675835c77
145c9632a5b9
153291705edb
hex1c6861bd67

122010320231 has 2 divisors, whose sum is σ = 122010320232. Its totient is φ = 122010320230.

The previous prime is 122010320191. The next prime is 122010320261. The reversal of 122010320231 is 132023010221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122010320231 - 218 = 122010058087 is a prime.

It is a super-2 number, since 2×1220103202312 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122010320261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005160115 + 61005160116.

It is an arithmetic number, because the mean of its divisors is an integer number (61005160116).

Almost surely, 2122010320231 is an apocalyptic number.

122010320231 is a deficient number, since it is larger than the sum of its proper divisors (1).

122010320231 is an equidigital number, since it uses as much as digits as its factorization.

122010320231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122010320231 its reverse (132023010221), we get a palindrome (254033330452).

The spelling of 122010320231 in words is "one hundred twenty-two billion, ten million, three hundred twenty thousand, two hundred thirty-one".