122442512145225 has 96 divisors (see below), whose sum is σ = 223740275134464. Its totient is φ = 58769540121600.

The previous prime is 122442512145197. The next prime is 122442512145277. The reversal of 122442512145225 is 522541215244221.

It is not a de Polignac number, because 122442512145225 - 2⁷ = 122442512145097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87604224 + ... + 88990926.

It is an arithmetic number, because the mean of its divisors is an integer number (2330627865984).

Almost surely, 2^{122442512145225} is an apocalyptic number.

122442512145225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122442512145225 is a deficient number, since it is larger than the sum of its proper divisors (101297762989239).

122442512145225 is a wasteful number, since it uses less digits than its factorization.

122442512145225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389767 (or 1389762 counting only the distinct ones).

The product of its digits is 512000, while the sum is 42.

Adding to 122442512145225 its reverse (522541215244221), we get a palindrome (644983727389446).

The spelling of 122442512145225 in words is "one hundred twenty-two trillion, four hundred forty-two billion, five hundred twelve million, one hundred forty-five thousand, two hundred twenty-five".