122551314120 has 128 divisors (see below), whose sum is σ = 408581712000. Its totient is φ = 32674164480.

The previous prime is 122551314101. The next prime is 122551314239. The reversal of 122551314120 is 21413155221.

It is a happy number.

122551314120 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 513 + 141 + 2 + 0 = 666.

It is a super-2 number, since 2×122551314120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10114626 + ... + 10126734.

It is an arithmetic number, because the mean of its divisors is an integer number (3192044625).

Almost surely, 2^122551314120 is an apocalyptic number.

122551314120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122551314120 is an abundant number, since it is smaller than the sum of its proper divisors (286030397880).

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

122551314120 is a wasteful number, since it uses less digits than its factorization.

122551314120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21500 (or 21490 counting only the distinct ones).

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

Adding to 122551314120 its reverse (21413155221), we get a palindrome (143964469341).

The spelling of 122551314120 in words is "one hundred twenty-two billion, five hundred fifty-one million, three hundred fourteen thousand, one hundred twenty".