122535541320240 has 40 divisors (see below), whose sum is σ = 379860178093488. Its totient is φ = 32676144352000.

The previous prime is 122535541320239. The next prime is 122535541320349. The reversal of 122535541320240 is 42023145535221.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255282377511 + ... + 255282377990.

Almost surely, 2^{122535541320240} is an apocalyptic number.

122535541320240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122535541320240 is an abundant number, since it is smaller than the sum of its proper divisors (257324636773248).

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

122535541320240 is a wasteful number, since it uses less digits than its factorization.

122535541320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510564755517 (or 510564755511 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 122535541320240 its reverse (42023145535221), we get a palindrome (164558686855461).

The spelling of 122535541320240 in words is "one hundred twenty-two trillion, five hundred thirty-five billion, five hundred forty-one million, three hundred twenty thousand, two hundred forty".