122152105302225 has 48 divisors (see below), whose sum is σ = 204397913237952. Its totient is φ = 64360818466560.

The previous prime is 122152105302211. The next prime is 122152105302317. The reversal of 122152105302225 is 522203501251221.

It is not a de Polignac number, because 122152105302225 - 2²¹ = 122152103205073 is a prime.

It is a super-2 number, since 2×122152105302225² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205208727 + ... + 205803123.

It is an arithmetic number, because the mean of its divisors is an integer number (4258289859124).

Almost surely, 2^{122152105302225} is an apocalyptic number.

122152105302225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122152105302225 is a deficient number, since it is larger than the sum of its proper divisors (82245807935727).

122152105302225 is a wasteful number, since it uses less digits than its factorization.

122152105302225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627506 (or 627501 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 122152105302225 its reverse (522203501251221), we get a palindrome (644355606553446).

The spelling of 122152105302225 in words is "one hundred twenty-two trillion, one hundred fifty-two billion, one hundred five million, three hundred two thousand, two hundred twenty-five".