122330115121550 has 48 divisors (see below), whose sum is σ = 260595702057600. Its totient is φ = 41851942664160.

The previous prime is 122330115121541. The next prime is 122330115121619. The reversal of 122330115121550 is 55121511033221.

It is a super-5 number, since 5×122330115121550⁵ (a number of 72 digits) contains 55555 as substring.

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, 374049200 + ... + 374376099.

It is an arithmetic number, because the mean of its divisors is an integer number (5429077126200).

Almost surely, 2^{122330115121550} is an apocalyptic number.

122330115121550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122330115121550 is an abundant number, since it is smaller than the sum of its proper divisors (138265586936050).

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

122330115121550 is a wasteful number, since it uses less digits than its factorization.

122330115121550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748425785 (or 748425780 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 122330115121550 its reverse (55121511033221), we get a palindrome (177451626154771).

The spelling of 122330115121550 in words is "one hundred twenty-two trillion, three hundred thirty billion, one hundred fifteen million, one hundred twenty-one thousand, five hundred fifty".