122042135124 has 144 divisors (see below), whose sum is σ = 396195002112. Its totient is φ = 30787485696.

The previous prime is 122042135107. The next prime is 122042135129. The reversal of 122042135124 is 421531240221.

122042135124 is a `hidden beast` number, since 1 + 220 + 421 + 3 + 5 + 12 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122042135129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 734509 + ... + 885204.

Almost surely, 2^122042135124 is an apocalyptic number.

122042135124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122042135124 is an abundant number, since it is smaller than the sum of its proper divisors (274152866988).

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

122042135124 is a wasteful number, since it uses less digits than its factorization.

122042135124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619766 (or 1619761 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 122042135124 its reverse (421531240221), we get a palindrome (543573375345).

The spelling of 122042135124 in words is "one hundred twenty-two billion, forty-two million, one hundred thirty-five thousand, one hundred twenty-four".