122195304019 has 2 divisors, whose sum is σ = 122195304020. Its totient is φ = 122195304018.

The previous prime is 122195303999. The next prime is 122195304041. The reversal of 122195304019 is 910403591221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122195304019 - 2⁹ = 122195303507 is a prime.

It is a super-2 number, since 2×122195304019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122195304059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61097652009 + 61097652010.

It is an arithmetic number, because the mean of its divisors is an integer number (61097652010).

Almost surely, 2^122195304019 is an apocalyptic number.

122195304019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122195304019 is an equidigital number, since it uses as much as digits as its factorization.

122195304019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 122195304019 in words is "one hundred twenty-two billion, one hundred ninety-five million, three hundred four thousand, nineteen".