122152115430 has 48 divisors (see below), whose sum is σ = 322068693024. Its totient is φ = 32115108480.

The previous prime is 122152115429. The next prime is 122152115441. The reversal of 122152115430 is 34511251221.

It is a happy number.

122152115430 is a `hidden beast` number, since 1 + 2 + 2 + 15 + 211 + 5 + 430 = 666.

It is a super-2 number, since 2×122152115430² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122152115394 and 122152115403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9551679 + ... + 9564458.

It is an arithmetic number, because the mean of its divisors is an integer number (6709764438).

Almost surely, 2^122152115430 is an apocalyptic number.

122152115430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122152115430 is an abundant number, since it is smaller than the sum of its proper divisors (199916577594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122152115430 is a wasteful number, since it uses less digits than its factorization.

122152115430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19116221 (or 19116218 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 122152115430 its reverse (34511251221), we get a palindrome (156663366651).

The spelling of 122152115430 in words is "one hundred twenty-two billion, one hundred fifty-two million, one hundred fifteen thousand, four hundred thirty".