122400055452 has 24 divisors (see below), whose sum is σ = 285778562832. Its totient is φ = 40774528000.

The previous prime is 122400055451. The next prime is 122400055469. The reversal of 122400055452 is 254550004221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122400055451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166299 + ... + 3204722.

It is an arithmetic number, because the mean of its divisors is an integer number (11907440118).

Almost surely, 2^122400055452 is an apocalyptic number.

122400055452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122400055452 is an abundant number, since it is smaller than the sum of its proper divisors (163378507380).

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

122400055452 is a wasteful number, since it uses less digits than its factorization.

122400055452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372629 (or 6372627 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 122400055452 its reverse (254550004221), we get a palindrome (376950059673).

The spelling of 122400055452 in words is "one hundred twenty-two billion, four hundred million, fifty-five thousand, four hundred fifty-two".