122102542452 has 48 divisors (see below), whose sum is σ = 320832497664. Its totient is φ = 35807196000.

The previous prime is 122102542417. The next prime is 122102542477. The reversal of 122102542452 is 254245201221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14915574 + ... + 14923757.

It is an arithmetic number, because the mean of its divisors is an integer number (6684010368).

Almost surely, 2^122102542452 is an apocalyptic number.

122102542452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122102542452 is an abundant number, since it is smaller than the sum of its proper divisors (198729955212).

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

122102542452 is a wasteful number, since it uses less digits than its factorization.

122102542452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29839380 (or 29839378 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 122102542452 its reverse (254245201221), we get a palindrome (376347743673).

The spelling of 122102542452 in words is "one hundred twenty-two billion, one hundred two million, five hundred forty-two thousand, four hundred fifty-two".