122072520307 has 2 divisors, whose sum is σ = 122072520308. Its totient is φ = 122072520306.

The previous prime is 122072520299. The next prime is 122072520341. The reversal of 122072520307 is 703025270221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122072520307 - 2³ = 122072520299 is a prime.

It is not a weakly prime, because it can be changed into another prime (122072520377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61036260153 + 61036260154.

It is an arithmetic number, because the mean of its divisors is an integer number (61036260154).

Almost surely, 2^122072520307 is an apocalyptic number.

122072520307 is a deficient number, since it is larger than the sum of its proper divisors (1).

122072520307 is an equidigital number, since it uses as much as digits as its factorization.

122072520307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

Adding to 122072520307 its reverse (703025270221), we get a palindrome (825097790528).

The spelling of 122072520307 in words is "one hundred twenty-two billion, seventy-two million, five hundred twenty thousand, three hundred seven".