122420512324025 has 24 divisors (see below), whose sum is σ = 155045022269184. Its totient is φ = 95844143235200.

The previous prime is 122420512323997. The next prime is 122420512324027. The reversal of 122420512324025 is 520423215024221.

It is not a de Polignac number, because 122420512324025 - 2¹⁰ = 122420512323001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122420512324027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8624660 + ... + 17866890.

It is an arithmetic number, because the mean of its divisors is an integer number (6460209261216).

Almost surely, 2^{122420512324025} is an apocalyptic number.

It is an amenable number.

122420512324025 is a deficient number, since it is larger than the sum of its proper divisors (32624509945159).

122420512324025 is a wasteful number, since it uses less digits than its factorization.

122420512324025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9253561 (or 9253556 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 122420512324025 its reverse (520423215024221), we get a palindrome (642843727348246).

The spelling of 122420512324025 in words is "one hundred twenty-two trillion, four hundred twenty billion, five hundred twelve million, three hundred twenty-four thousand, twenty-five".